28021979664

素因数分解:

$2^4\times 3^2\times 7^2\times {\mathrm{139}}^1\times {\mathrm{28571}}^1$

素因数の和:28738

約数の個数: 180

約数和(自身を含む): 91885837680

約数和(自身を除く): 63863858016

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 36, 42, 48, 49, 56, 63, 72, 84, 98, 112, 126, 139, 144, 147, 168, 196, 252, 278, 294, 336, 392, 417, 441, 504, 556, 588, 784, 834, 882, 973, 1008, 1112, 1176, 1251, 1668, 1764, 1946, 2224, 2352, 2502, 2919, 3336, 3528, 3892, 5004, 5838, 6672, 6811, 7056, 7784, 8757, 10008, 11676, 13622, 15568, 17514, 20016, 20433, 23352, 27244, 28571, 35028, 40866, 46704, 54488, 57142, 61299, 70056, 81732, 85713, 108976, 114284, 122598, 140112, 163464, 171426, 199997, 228568, 245196, 257139, 326928, 342852, 399994, 457136, 490392, 514278, 599991, 685704, 799988, 980784, 1028556, 1199982, 1371408, 1399979, 1599976, 1799973, 2057112, 2399964, 2799958, 3199952, 3599946, 3971369, 4114224, 4199937, 4799928, 5599916, 7199892, 7942738, 8399874, 9599856, 11199832, 11914107, 12599811, 14399784, 15885476, 16799748, 22399664, 23828214, 25199622, 27799583, 28799568, 31770952, 33599496, 35742321, 47656428, 50399244, 55599166, 63541904, 67198992, 71484642, 83398749, 95312856, 100798488, 111198332, 142969284, 166797498, 190625712, 194597081, 201596976, 222396664, 250196247, 285938568, 333594996, 389194162, 444793328, 500392494, 571877136, 583791243, 667189992, 778388324, 1000784988, 1167582486, 1334379984, 1556776648, 1751373729, 2001569976, 2335164972, 3113553296, 3502747458, 4003139952, 4670329944, 7005494916, 9340659888, 14010989832, 28021979664]

約数ペア:

[(1, 28021979664), (2, 14010989832), (3, 9340659888), (4, 7005494916), (6, 4670329944), (7, 4003139952), (8, 3502747458), (9, 3113553296), (12, 2335164972), (14, 2001569976), (16, 1751373729), (18, 1556776648), (21, 1334379984), (24, 1167582486), (28, 1000784988), (36, 778388324), (42, 667189992), (48, 583791243), (49, 571877136), (56, 500392494), (63, 444793328), (72, 389194162), (84, 333594996), (98, 285938568), (112, 250196247), (126, 222396664), (139, 201596976), (144, 194597081), (147, 190625712), (168, 166797498), (196, 142969284), (252, 111198332), (278, 100798488), (294, 95312856), (336, 83398749), (392, 71484642), (417, 67198992), (441, 63541904), (504, 55599166), (556, 50399244), (588, 47656428), (784, 35742321), (834, 33599496), (882, 31770952), (973, 28799568), (1008, 27799583), (1112, 25199622), (1176, 23828214), (1251, 22399664), (1668, 16799748), (1764, 15885476), (1946, 14399784), (2224, 12599811), (2352, 11914107), (2502, 11199832), (2919, 9599856), (3336, 8399874), (3528, 7942738), (3892, 7199892), (5004, 5599916), (5838, 4799928), (6672, 4199937), (6811, 4114224), (7056, 3971369), (7784, 3599946), (8757, 3199952), (10008, 2799958), (11676, 2399964), (13622, 2057112), (15568, 1799973), (17514, 1599976), (20016, 1399979), (20433, 1371408), (23352, 1199982), (27244, 1028556), (28571, 980784), (35028, 799988), (40866, 685704), (46704, 599991), (54488, 514278), (57142, 490392), (61299, 457136), (70056, 399994), (81732, 342852), (85713, 326928), (108976, 257139), (114284, 245196), (122598, 228568), (140112, 199997), (163464, 171426)]