851865776

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{1238177}}^1$

素因数の和:1238228

約数の個数: 20

約数和(自身を含む): 1688874792

約数和(自身を除く): 837009016

約数列:

[1, 2, 4, 8, 16, 43, 86, 172, 344, 688, 1238177, 2476354, 4952708, 9905416, 19810832, 53241611, 106483222, 212966444, 425932888, 851865776]

約数ペア:

[(1, 851865776), (2, 425932888), (4, 212966444), (8, 106483222), (16, 53241611), (43, 19810832), (86, 9905416), (172, 4952708), (344, 2476354), (688, 1238177)]