639779432

素因数分解:

$2^3\times {\mathrm{37}}^1\times {\mathrm{2161417}}^1$

素因数の和:2161460

約数の個数: 16

約数和(自身を含む): 1232008260

約数和(自身を除く): 592228828

約数列:

[1, 2, 4, 8, 37, 74, 148, 296, 2161417, 4322834, 8645668, 17291336, 79972429, 159944858, 319889716, 639779432]

約数ペア:

[(1, 639779432), (2, 319889716), (4, 159944858), (8, 79972429), (37, 17291336), (74, 8645668), (148, 4322834), (296, 2161417)]