129648728

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{331}}^1\times {\mathrm{4451}}^1$

素因数の和:4799

約数の個数: 32

約数和(自身を含む): 266051520

約数和(自身を除く): 136402792

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 331, 662, 1324, 2648, 3641, 4451, 7282, 8902, 14564, 17804, 29128, 35608, 48961, 97922, 195844, 391688, 1473281, 2946562, 5893124, 11786248, 16206091, 32412182, 64824364, 129648728]

約数ペア:

[(1, 129648728), (2, 64824364), (4, 32412182), (8, 16206091), (11, 11786248), (22, 5893124), (44, 2946562), (88, 1473281), (331, 391688), (662, 195844), (1324, 97922), (2648, 48961), (3641, 35608), (4451, 29128), (7282, 17804), (8902, 14564)]