71128415

素因数分解:

$5^1\times {\mathrm{31}}^2\times {\mathrm{113}}^1\times {\mathrm{131}}^1$

素因数の和:311

約数の個数: 24

約数和(自身を含む): 89655984

約数和(自身を除く): 18527569

約数列:

[1, 5, 31, 113, 131, 155, 565, 655, 961, 3503, 4061, 4805, 14803, 17515, 20305, 74015, 108593, 125891, 458893, 542965, 629455, 2294465, 14225683, 71128415]

約数ペア:

[(1, 71128415), (5, 14225683), (31, 2294465), (113, 629455), (131, 542965), (155, 458893), (565, 125891), (655, 108593), (961, 74015), (3503, 20305), (4061, 17515), (4805, 14803)]