28205776

素因数分解:

$2^4\times {\mathrm{59}}^1\times {\mathrm{29879}}^1$

素因数の和:29946

約数の個数: 20

約数和(自身を含む): 55576800

約数和(自身を除く): 27371024

約数列:

[1, 2, 4, 8, 16, 59, 118, 236, 472, 944, 29879, 59758, 119516, 239032, 478064, 1762861, 3525722, 7051444, 14102888, 28205776]

約数ペア:

[(1, 28205776), (2, 14102888), (4, 7051444), (8, 3525722), (16, 1762861), (59, 478064), (118, 239032), (236, 119516), (472, 59758), (944, 29879)]