71920205

素因数分解:

$5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{137}}^1\times {\mathrm{283}}^1$

素因数の和:485

約数の個数: 32

約数和(自身を含む): 101585664

約数和(自身を除く): 29665459

約数列:

[1, 5, 7, 35, 53, 137, 265, 283, 371, 685, 959, 1415, 1855, 1981, 4795, 7261, 9905, 14999, 36305, 38771, 50827, 74995, 104993, 193855, 254135, 271397, 524965, 1356985, 2054863, 10274315, 14384041, 71920205]

約数ペア:

[(1, 71920205), (5, 14384041), (7, 10274315), (35, 2054863), (53, 1356985), (137, 524965), (265, 271397), (283, 254135), (371, 193855), (685, 104993), (959, 74995), (1415, 50827), (1855, 38771), (1981, 36305), (4795, 14999), (7261, 9905)]