805648

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{1171}}^1$

素因数の和:1222

約数の個数: 20

約数和(自身を含む): 1598608

約数和(自身を除く): 792960

約数列:

[1, 2, 4, 8, 16, 43, 86, 172, 344, 688, 1171, 2342, 4684, 9368, 18736, 50353, 100706, 201412, 402824, 805648]

約数ペア:

[(1, 805648), (2, 402824), (4, 201412), (8, 100706), (16, 50353), (43, 18736), (86, 9368), (172, 4684), (344, 2342), (688, 1171)]