128908612

素因数分解:

$2^2\times 7^2\times {\mathrm{331}}^1\times {\mathrm{1987}}^1$

素因数の和:2336

約数の個数: 36

約数和(自身を含む): 263346384

約数和(自身を除く): 134437772

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 331, 662, 1324, 1987, 2317, 3974, 4634, 7948, 9268, 13909, 16219, 27818, 32438, 55636, 64876, 97363, 194726, 389452, 657697, 1315394, 2630788, 4603879, 9207758, 18415516, 32227153, 64454306, 128908612]

約数ペア:

[(1, 128908612), (2, 64454306), (4, 32227153), (7, 18415516), (14, 9207758), (28, 4603879), (49, 2630788), (98, 1315394), (196, 657697), (331, 389452), (662, 194726), (1324, 97363), (1987, 64876), (2317, 55636), (3974, 32438), (4634, 27818), (7948, 16219), (9268, 13909)]