31166915

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{83}}^1\times {\mathrm{109}}^1$

素因数の和:263

約数の個数: 32

約数和(自身を含む): 41912640

約数和(自身を除く): 10745725

約数列:

[1, 5, 13, 53, 65, 83, 109, 265, 415, 545, 689, 1079, 1417, 3445, 4399, 5395, 5777, 7085, 9047, 21995, 28885, 45235, 57187, 75101, 117611, 285935, 375505, 479491, 588055, 2397455, 6233383, 31166915]

約数ペア:

[(1, 31166915), (5, 6233383), (13, 2397455), (53, 588055), (65, 479491), (83, 375505), (109, 285935), (265, 117611), (415, 75101), (545, 57187), (689, 45235), (1079, 28885), (1417, 21995), (3445, 9047), (4399, 7085), (5395, 5777)]