257721167164

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{691}}^1\times {\mathrm{1847}}^1\times {\mathrm{2657}}^1$

素因数の和:5218

約数の個数: 48

約数和(自身を含む): 475873009920

約数和(自身を除く): 218151842756

約数列:

[1, 2, 4, 19, 38, 76, 691, 1382, 1847, 2657, 2764, 3694, 5314, 7388, 10628, 13129, 26258, 35093, 50483, 52516, 70186, 100966, 140372, 201932, 1276277, 1835987, 2552554, 3671974, 4907479, 5105108, 7343948, 9814958, 19629916, 24249263, 34883753, 48498526, 69767506, 93242101, 96997052, 139535012, 186484202, 372968404, 3391067989, 6782135978, 13564271956, 64430291791, 128860583582, 257721167164]

約数ペア:

[(1, 257721167164), (2, 128860583582), (4, 64430291791), (19, 13564271956), (38, 6782135978), (76, 3391067989), (691, 372968404), (1382, 186484202), (1847, 139535012), (2657, 96997052), (2764, 93242101), (3694, 69767506), (5314, 48498526), (7388, 34883753), (10628, 24249263), (13129, 19629916), (26258, 9814958), (35093, 7343948), (50483, 5105108), (52516, 4907479), (70186, 3671974), (100966, 2552554), (140372, 1835987), (201932, 1276277)]