1640254609

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{601}}^1\times {\mathrm{12577}}^1$

素因数の和:13216

約数の個数: 16

約数和(自身を含む): 1938420736

約数和(自身を除く): 298166127

約数列:

[1, 7, 31, 217, 601, 4207, 12577, 18631, 88039, 130417, 389887, 2729209, 7558777, 52911439, 234322087, 1640254609]

約数ペア:

[(1, 1640254609), (7, 234322087), (31, 52911439), (217, 7558777), (601, 2729209), (4207, 389887), (12577, 130417), (18631, 88039)]