51291690

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{39761}}^1$

素因数の和:39814

約数の個数: 32

約数和(自身を含む): 125966016

約数和(自身を除く): 74674326

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 43, 86, 129, 215, 258, 430, 645, 1290, 39761, 79522, 119283, 198805, 238566, 397610, 596415, 1192830, 1709723, 3419446, 5129169, 8548615, 10258338, 17097230, 25645845, 51291690]

約数ペア:

[(1, 51291690), (2, 25645845), (3, 17097230), (5, 10258338), (6, 8548615), (10, 5129169), (15, 3419446), (30, 1709723), (43, 1192830), (86, 596415), (129, 397610), (215, 238566), (258, 198805), (430, 119283), (645, 79522), (1290, 39761)]