31828816

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{64171}}^1$

素因数の和:64210

約数の個数: 20

約数和(自身を含む): 63658624

約数和(自身を除く): 31829808

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 496, 64171, 128342, 256684, 513368, 1026736, 1989301, 3978602, 7957204, 15914408, 31828816]

約数ペア:

[(1, 31828816), (2, 15914408), (4, 7957204), (8, 3978602), (16, 1989301), (31, 1026736), (62, 513368), (124, 256684), (248, 128342), (496, 64171)]