131968529

素因数分解:

$7^1\times {\mathrm{11}}^2\times {\mathrm{37}}^1\times {\mathrm{4211}}^1$

素因数の和:4277

約数の個数: 24

約数和(自身を含む): 170299584

約数和(自身を除く): 38331055

約数列:

[1, 7, 11, 37, 77, 121, 259, 407, 847, 2849, 4211, 4477, 29477, 31339, 46321, 155807, 324247, 509531, 1090649, 1713877, 3566717, 11997139, 18852647, 131968529]

約数ペア:

[(1, 131968529), (7, 18852647), (11, 11997139), (37, 3566717), (77, 1713877), (121, 1090649), (259, 509531), (407, 324247), (847, 155807), (2849, 46321), (4211, 31339), (4477, 29477)]