1277882390

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{4406491}}^1$

素因数の和:4406527

約数の個数: 16

約数和(自身を含む): 2379505680

約数和(自身を除く): 1101623290

約数列:

[1, 2, 5, 10, 29, 58, 145, 290, 4406491, 8812982, 22032455, 44064910, 127788239, 255576478, 638941195, 1277882390]

約数ペア:

[(1, 1277882390), (2, 638941195), (5, 255576478), (10, 127788239), (29, 44064910), (58, 22032455), (145, 8812982), (290, 4406491)]