649064

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{79}}^2$

素因数の和:177

約数の個数: 24

約数和(自身を含む): 1327410

約数和(自身を除く): 678346

約数列:

[1, 2, 4, 8, 13, 26, 52, 79, 104, 158, 316, 632, 1027, 2054, 4108, 6241, 8216, 12482, 24964, 49928, 81133, 162266, 324532, 649064]

約数ペア:

[(1, 649064), (2, 324532), (4, 162266), (8, 81133), (13, 49928), (26, 24964), (52, 12482), (79, 8216), (104, 6241), (158, 4108), (316, 2054), (632, 1027)]