8615672009

素因数分解:

$7^2\times {\mathrm{1999}}^1\times {\mathrm{87959}}^1$

素因数の和:89972

約数の個数: 12

約数和(自身を含む): 10027440000

約数和(自身を除く): 1411767991

約数列:

[1, 7, 49, 1999, 13993, 87959, 97951, 615713, 4309991, 175830041, 1230810287, 8615672009]

約数ペア:

[(1, 8615672009), (7, 1230810287), (49, 175830041), (1999, 4309991), (13993, 615713), (87959, 97951)]