12989470

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{163}}^1\times {\mathrm{613}}^1$

素因数の和:796

約数の個数: 32

約数和(自身を含む): 25375392

約数和(自身を除く): 12385922

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 163, 326, 613, 815, 1226, 1630, 2119, 3065, 4238, 6130, 7969, 10595, 15938, 21190, 39845, 79690, 99919, 199838, 499595, 999190, 1298947, 2597894, 6494735, 12989470]

約数ペア:

[(1, 12989470), (2, 6494735), (5, 2597894), (10, 1298947), (13, 999190), (26, 499595), (65, 199838), (130, 99919), (163, 79690), (326, 39845), (613, 21190), (815, 15938), (1226, 10595), (1630, 7969), (2119, 6130), (3065, 4238)]