1664457991

素因数分解:

$7^1\times {\mathrm{149}}^1\times {\mathrm{283}}^1\times {\mathrm{5639}}^1$

素因数の和:6078

約数の個数: 16

約数和(自身を含む): 1922112000

約数和(自身を除く): 257654009

約数列:

[1, 7, 149, 283, 1043, 1981, 5639, 39473, 42167, 295169, 840211, 1595837, 5881477, 11170859, 237779713, 1664457991]

約数ペア:

[(1, 1664457991), (7, 237779713), (149, 11170859), (283, 5881477), (1043, 1595837), (1981, 840211), (5639, 295169), (39473, 42167)]