66836432

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{321329}}^1$

素因数の和:321350

約数の個数: 20

約数和(自身を含む): 139457220

約数和(自身を除く): 72620788

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 321329, 642658, 1285316, 2570632, 4177277, 5141264, 8354554, 16709108, 33418216, 66836432]

約数ペア:

[(1, 66836432), (2, 33418216), (4, 16709108), (8, 8354554), (13, 5141264), (16, 4177277), (26, 2570632), (52, 1285316), (104, 642658), (208, 321329)]