81290545

素因数分解:

$5^1\times 7^1\times {\mathrm{163}}^1\times {\mathrm{14249}}^1$

素因数の和:14424

約数の個数: 16

約数和(自身を含む): 112176000

約数和(自身を除く): 30885455

約数列:

[1, 5, 7, 35, 163, 815, 1141, 5705, 14249, 71245, 99743, 498715, 2322587, 11612935, 16258109, 81290545]

約数ペア:

[(1, 81290545), (5, 16258109), (7, 11612935), (35, 2322587), (163, 498715), (815, 99743), (1141, 71245), (5705, 14249)]