128377578

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{271}}^1\times {\mathrm{11279}}^1$

素因数の和:11562

約数の個数: 32

約数和(自身を含む): 294543360

約数和(自身を除く): 166165782

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 271, 542, 813, 1626, 1897, 3794, 5691, 11279, 11382, 22558, 33837, 67674, 78953, 157906, 236859, 473718, 3056609, 6113218, 9169827, 18339654, 21396263, 42792526, 64188789, 128377578]

約数ペア:

[(1, 128377578), (2, 64188789), (3, 42792526), (6, 21396263), (7, 18339654), (14, 9169827), (21, 6113218), (42, 3056609), (271, 473718), (542, 236859), (813, 157906), (1626, 78953), (1897, 67674), (3794, 33837), (5691, 22558), (11279, 11382)]