1640981576

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{928157}}^1$

素因数の和:928193

約数の個数: 32

約数和(自身を含む): 3508437240

約数和(自身を除く): 1867455664

約数列:

[1, 2, 4, 8, 13, 17, 26, 34, 52, 68, 104, 136, 221, 442, 884, 1768, 928157, 1856314, 3712628, 7425256, 12066041, 15778669, 24132082, 31557338, 48264164, 63114676, 96528328, 126229352, 205122697, 410245394, 820490788, 1640981576]

約数ペア:

[(1, 1640981576), (2, 820490788), (4, 410245394), (8, 205122697), (13, 126229352), (17, 96528328), (26, 63114676), (34, 48264164), (52, 31557338), (68, 24132082), (104, 15778669), (136, 12066041), (221, 7425256), (442, 3712628), (884, 1856314), (1768, 928157)]