221873904

素因数分解:

$2^4\times 3^4\times 7^1\times {\mathrm{37}}^1\times {\mathrm{661}}^1$

素因数の和:725

約数の個数: 200

約数和(自身を含む): 754881248

約数和(自身を除く): 533007344

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 27, 28, 36, 37, 42, 48, 54, 56, 63, 72, 74, 81, 84, 108, 111, 112, 126, 144, 148, 162, 168, 189, 216, 222, 252, 259, 296, 324, 333, 336, 378, 432, 444, 504, 518, 567, 592, 648, 661, 666, 756, 777, 888, 999, 1008, 1036, 1134, 1296, 1322, 1332, 1512, 1554, 1776, 1983, 1998, 2072, 2268, 2331, 2644, 2664, 2997, 3024, 3108, 3966, 3996, 4144, 4536, 4627, 4662, 5288, 5328, 5949, 5994, 6216, 6993, 7932, 7992, 9072, 9254, 9324, 10576, 11898, 11988, 12432, 13881, 13986, 15864, 15984, 17847, 18508, 18648, 20979, 23796, 23976, 24457, 27762, 27972, 31728, 35694, 37016, 37296, 41643, 41958, 47592, 47952, 48914, 53541, 55524, 55944, 71388, 73371, 74032, 83286, 83916, 95184, 97828, 107082, 111048, 111888, 124929, 142776, 146742, 166572, 167832, 171199, 195656, 214164, 220113, 222096, 249858, 285552, 293484, 333144, 335664, 342398, 374787, 391312, 428328, 440226, 499716, 513597, 586968, 660339, 666288, 684796, 749574, 856656, 880452, 999432, 1027194, 1173936, 1320678, 1369592, 1499148, 1540791, 1760904, 1981017, 1998864, 2054388, 2641356, 2739184, 2998296, 3081582, 3521808, 3962034, 4108776, 4622373, 5282712, 5996592, 6163164, 7924068, 8217552, 9244746, 10565424, 12326328, 13867119, 15848136, 18489492, 24652656, 27734238, 31696272, 36978984, 55468476, 73957968, 110936952, 221873904]

約数ペア:

[(1, 221873904), (2, 110936952), (3, 73957968), (4, 55468476), (6, 36978984), (7, 31696272), (8, 27734238), (9, 24652656), (12, 18489492), (14, 15848136), (16, 13867119), (18, 12326328), (21, 10565424), (24, 9244746), (27, 8217552), (28, 7924068), (36, 6163164), (37, 5996592), (42, 5282712), (48, 4622373), (54, 4108776), (56, 3962034), (63, 3521808), (72, 3081582), (74, 2998296), (81, 2739184), (84, 2641356), (108, 2054388), (111, 1998864), (112, 1981017), (126, 1760904), (144, 1540791), (148, 1499148), (162, 1369592), (168, 1320678), (189, 1173936), (216, 1027194), (222, 999432), (252, 880452), (259, 856656), (296, 749574), (324, 684796), (333, 666288), (336, 660339), (378, 586968), (432, 513597), (444, 499716), (504, 440226), (518, 428328), (567, 391312), (592, 374787), (648, 342398), (661, 335664), (666, 333144), (756, 293484), (777, 285552), (888, 249858), (999, 222096), (1008, 220113), (1036, 214164), (1134, 195656), (1296, 171199), (1322, 167832), (1332, 166572), (1512, 146742), (1554, 142776), (1776, 124929), (1983, 111888), (1998, 111048), (2072, 107082), (2268, 97828), (2331, 95184), (2644, 83916), (2664, 83286), (2997, 74032), (3024, 73371), (3108, 71388), (3966, 55944), (3996, 55524), (4144, 53541), (4536, 48914), (4627, 47952), (4662, 47592), (5288, 41958), (5328, 41643), (5949, 37296), (5994, 37016), (6216, 35694), (6993, 31728), (7932, 27972), (7992, 27762), (9072, 24457), (9254, 23976), (9324, 23796), (10576, 20979), (11898, 18648), (11988, 18508), (12432, 17847), (13881, 15984), (13986, 15864)]