81508238

素因数分解:

$2^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{109}}^1\times {\mathrm{1723}}^1$

素因数の和:1872

約数の個数: 32

約数和(自身を含む): 145643520

約数和(自身を除く): 64135282

約数列:

[1, 2, 7, 14, 31, 62, 109, 217, 218, 434, 763, 1526, 1723, 3379, 3446, 6758, 12061, 23653, 24122, 47306, 53413, 106826, 187807, 373891, 375614, 747782, 1314649, 2629298, 5822017, 11644034, 40754119, 81508238]

約数ペア:

[(1, 81508238), (2, 40754119), (7, 11644034), (14, 5822017), (31, 2629298), (62, 1314649), (109, 747782), (217, 375614), (218, 373891), (434, 187807), (763, 106826), (1526, 53413), (1723, 47306), (3379, 24122), (3446, 23653), (6758, 12061)]