221520652084

素因数分解:

$2^2\times {\mathrm{139}}^1\times {\mathrm{8863}}^1\times {\mathrm{44953}}^1$

素因数の和:53959

約数の個数: 24

約数和(自身を含む): 390502810880

約数和(自身を除く): 168982158796

約数列:

[1, 2, 4, 139, 278, 556, 8863, 17726, 35452, 44953, 89906, 179812, 1231957, 2463914, 4927828, 6248467, 12496934, 24993868, 398418439, 796836878, 1593673756, 55380163021, 110760326042, 221520652084]

約数ペア:

[(1, 221520652084), (2, 110760326042), (4, 55380163021), (139, 1593673756), (278, 796836878), (556, 398418439), (8863, 24993868), (17726, 12496934), (35452, 6248467), (44953, 4927828), (89906, 2463914), (179812, 1231957)]