80954276

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{163}}^1\times {\mathrm{9551}}^1$

素因数の和:9731

約数の個数: 24

約数和(自身を含む): 153519744

約数和(自身を除く): 72565468

約数列:

[1, 2, 4, 13, 26, 52, 163, 326, 652, 2119, 4238, 8476, 9551, 19102, 38204, 124163, 248326, 496652, 1556813, 3113626, 6227252, 20238569, 40477138, 80954276]

約数ペア:

[(1, 80954276), (2, 40477138), (4, 20238569), (13, 6227252), (26, 3113626), (52, 1556813), (163, 496652), (326, 248326), (652, 124163), (2119, 38204), (4238, 19102), (8476, 9551)]