221963968

素因数分解:

$2^6\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{6581}}^1$

素因数の和:6641

約数の個数: 56

約数和(自身を含む): 481486464

約数和(自身を除く): 259522496

約数列:

[1, 2, 4, 8, 16, 17, 31, 32, 34, 62, 64, 68, 124, 136, 248, 272, 496, 527, 544, 992, 1054, 1088, 1984, 2108, 4216, 6581, 8432, 13162, 16864, 26324, 33728, 52648, 105296, 111877, 204011, 210592, 223754, 408022, 421184, 447508, 816044, 895016, 1632088, 1790032, 3264176, 3468187, 3580064, 6528352, 6936374, 7160128, 13056704, 13872748, 27745496, 55490992, 110981984, 221963968]

約数ペア:

[(1, 221963968), (2, 110981984), (4, 55490992), (8, 27745496), (16, 13872748), (17, 13056704), (31, 7160128), (32, 6936374), (34, 6528352), (62, 3580064), (64, 3468187), (68, 3264176), (124, 1790032), (136, 1632088), (248, 895016), (272, 816044), (496, 447508), (527, 421184), (544, 408022), (992, 223754), (1054, 210592), (1088, 204011), (1984, 111877), (2108, 105296), (4216, 52648), (6581, 33728), (8432, 26324), (13162, 16864)]