211050728

素因数分解:

$2^3\times 7^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{1993}}^1$

素因数の和:2098

約数の個数: 64

約数和(自身を含む): 474731520

約数和(自身を除く): 263680792

約数列:

[1, 2, 4, 7, 8, 14, 28, 31, 56, 61, 62, 122, 124, 217, 244, 248, 427, 434, 488, 854, 868, 1708, 1736, 1891, 1993, 3416, 3782, 3986, 7564, 7972, 13237, 13951, 15128, 15944, 26474, 27902, 52948, 55804, 61783, 105896, 111608, 121573, 123566, 243146, 247132, 432481, 486292, 494264, 851011, 864962, 972584, 1702022, 1729924, 3404044, 3459848, 3768763, 6808088, 7537526, 15075052, 26381341, 30150104, 52762682, 105525364, 211050728]

約数ペア:

[(1, 211050728), (2, 105525364), (4, 52762682), (7, 30150104), (8, 26381341), (14, 15075052), (28, 7537526), (31, 6808088), (56, 3768763), (61, 3459848), (62, 3404044), (122, 1729924), (124, 1702022), (217, 972584), (244, 864962), (248, 851011), (427, 494264), (434, 486292), (488, 432481), (854, 247132), (868, 243146), (1708, 123566), (1736, 121573), (1891, 111608), (1993, 105896), (3416, 61783), (3782, 55804), (3986, 52948), (7564, 27902), (7972, 26474), (13237, 15944), (13951, 15128)]