399267128

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{132383}}^1$

素因数の和:132431

約数の個数: 32

約数和(自身を含む): 834019200

約数和(自身を除く): 434752072

約数列:

[1, 2, 4, 8, 13, 26, 29, 52, 58, 104, 116, 232, 377, 754, 1508, 3016, 132383, 264766, 529532, 1059064, 1720979, 3441958, 3839107, 6883916, 7678214, 13767832, 15356428, 30712856, 49908391, 99816782, 199633564, 399267128]

約数ペア:

[(1, 399267128), (2, 199633564), (4, 99816782), (8, 49908391), (13, 30712856), (26, 15356428), (29, 13767832), (52, 7678214), (58, 6883916), (104, 3839107), (116, 3441958), (232, 1720979), (377, 1059064), (754, 529532), (1508, 264766), (3016, 132383)]