81031538

素因数分解:

$2^1\times 7^1\times {\mathrm{163}}^1\times {\mathrm{35509}}^1$

素因数の和:35681

約数の個数: 16

約数和(自身を含む): 139767360

約数和(自身を除く): 58735822

約数列:

[1, 2, 7, 14, 163, 326, 1141, 2282, 35509, 71018, 248563, 497126, 5787967, 11575934, 40515769, 81031538]

約数ペア:

[(1, 81031538), (2, 40515769), (7, 11575934), (14, 5787967), (163, 497126), (326, 248563), (1141, 71018), (2282, 35509)]