64772656

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{311407}}^1$

素因数の和:311428

約数の個数: 20

約数和(自身を含む): 135151072

約数和(自身を除く): 70378416

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 311407, 622814, 1245628, 2491256, 4048291, 4982512, 8096582, 16193164, 32386328, 64772656]

約数ペア:

[(1, 64772656), (2, 32386328), (4, 16193164), (8, 8096582), (13, 4982512), (16, 4048291), (26, 2491256), (52, 1245628), (104, 622814), (208, 311407)]