1261892510

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{4070621}}^1$

素因数の和:4070659

約数の個数: 16

約数和(自身を含む): 2344678272

約数和(自身を除く): 1082785762

約数列:

[1, 2, 5, 10, 31, 62, 155, 310, 4070621, 8141242, 20353105, 40706210, 126189251, 252378502, 630946255, 1261892510]

約数ペア:

[(1, 1261892510), (2, 630946255), (5, 252378502), (10, 126189251), (31, 40706210), (62, 20353105), (155, 8141242), (310, 4070621)]