621972468

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{997}}^1$

素因数の和:1094

約数の個数: 144

約数和(自身を含む): 1790204416

約数和(自身を除く): 1168231948

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 31, 36, 39, 43, 52, 62, 78, 86, 93, 117, 124, 129, 156, 172, 186, 234, 258, 279, 372, 387, 403, 468, 516, 558, 559, 774, 806, 997, 1116, 1118, 1209, 1333, 1548, 1612, 1677, 1994, 2236, 2418, 2666, 2991, 3354, 3627, 3988, 3999, 4836, 5031, 5332, 5982, 6708, 7254, 7998, 8973, 10062, 11964, 11997, 12961, 14508, 15996, 17329, 17946, 20124, 23994, 25922, 30907, 34658, 35892, 38883, 42871, 47988, 51844, 51987, 61814, 69316, 77766, 85742, 92721, 103974, 116649, 123628, 128613, 155532, 155961, 171484, 185442, 207948, 233298, 257226, 278163, 311922, 370884, 385839, 401791, 466596, 514452, 556326, 557323, 623844, 771678, 803582, 1112652, 1114646, 1205373, 1329001, 1543356, 1607164, 1671969, 2229292, 2410746, 2658002, 3343938, 3616119, 3987003, 4821492, 5015907, 5316004, 6687876, 7232238, 7974006, 10031814, 11961009, 14464476, 15948012, 17277013, 20063628, 23922018, 34554026, 47844036, 51831039, 69108052, 103662078, 155493117, 207324156, 310986234, 621972468]

約数ペア:

[(1, 621972468), (2, 310986234), (3, 207324156), (4, 155493117), (6, 103662078), (9, 69108052), (12, 51831039), (13, 47844036), (18, 34554026), (26, 23922018), (31, 20063628), (36, 17277013), (39, 15948012), (43, 14464476), (52, 11961009), (62, 10031814), (78, 7974006), (86, 7232238), (93, 6687876), (117, 5316004), (124, 5015907), (129, 4821492), (156, 3987003), (172, 3616119), (186, 3343938), (234, 2658002), (258, 2410746), (279, 2229292), (372, 1671969), (387, 1607164), (403, 1543356), (468, 1329001), (516, 1205373), (558, 1114646), (559, 1112652), (774, 803582), (806, 771678), (997, 623844), (1116, 557323), (1118, 556326), (1209, 514452), (1333, 466596), (1548, 401791), (1612, 385839), (1677, 370884), (1994, 311922), (2236, 278163), (2418, 257226), (2666, 233298), (2991, 207948), (3354, 185442), (3627, 171484), (3988, 155961), (3999, 155532), (4836, 128613), (5031, 123628), (5332, 116649), (5982, 103974), (6708, 92721), (7254, 85742), (7998, 77766), (8973, 69316), (10062, 61814), (11964, 51987), (11997, 51844), (12961, 47988), (14508, 42871), (15996, 38883), (17329, 35892), (17946, 34658), (20124, 30907), (23994, 25922)]