87701378

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{181}}^1\times {\mathrm{311}}^1$

素因数の和:554

約数の個数: 32

約数和(自身を含む): 143095680

約数和(自身を除く): 55394302

約数列:

[1, 2, 19, 38, 41, 82, 181, 311, 362, 622, 779, 1558, 3439, 5909, 6878, 7421, 11818, 12751, 14842, 25502, 56291, 112582, 140999, 242269, 281998, 484538, 1069529, 2139058, 2307931, 4615862, 43850689, 87701378]

約数ペア:

[(1, 87701378), (2, 43850689), (19, 4615862), (38, 2307931), (41, 2139058), (82, 1069529), (181, 484538), (311, 281998), (362, 242269), (622, 140999), (779, 112582), (1558, 56291), (3439, 25502), (5909, 14842), (6878, 12751), (7421, 11818)]