651664

素因数分解:

$2^4\times {\mathrm{13}}^2\times {\mathrm{241}}^1$

素因数の和:275

約数の個数: 30

約数和(自身を含む): 1372866

約数和(自身を除く): 721202

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 169, 208, 241, 338, 482, 676, 964, 1352, 1928, 2704, 3133, 3856, 6266, 12532, 25064, 40729, 50128, 81458, 162916, 325832, 651664]

約数ペア:

[(1, 651664), (2, 325832), (4, 162916), (8, 81458), (13, 50128), (16, 40729), (26, 25064), (52, 12532), (104, 6266), (169, 3856), (208, 3133), (241, 2704), (338, 1928), (482, 1352), (676, 964)]