285274808

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{391861}}^1$

素因数の和:391887

約数の個数: 32

約数和(自身を含む): 658328160

約数和(自身を除く): 373053352

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 52, 56, 91, 104, 182, 364, 728, 391861, 783722, 1567444, 2743027, 3134888, 5094193, 5486054, 10188386, 10972108, 20376772, 21944216, 35659351, 40753544, 71318702, 142637404, 285274808]

約数ペア:

[(1, 285274808), (2, 142637404), (4, 71318702), (7, 40753544), (8, 35659351), (13, 21944216), (14, 20376772), (26, 10972108), (28, 10188386), (52, 5486054), (56, 5094193), (91, 3134888), (104, 2743027), (182, 1567444), (364, 783722), (728, 391861)]