64905475

素因数分解:

$5^2\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{941}}^1$

素因数の和:1071

約数の個数: 24

約数和(自身を含む): 84101760

約数和(自身を除く): 19196285

約数列:

[1, 5, 25, 31, 89, 155, 445, 775, 941, 2225, 2759, 4705, 13795, 23525, 29171, 68975, 83749, 145855, 418745, 729275, 2093725, 2596219, 12981095, 64905475]

約数ペア:

[(1, 64905475), (5, 12981095), (25, 2596219), (31, 2093725), (89, 729275), (155, 418745), (445, 145855), (775, 83749), (941, 68975), (2225, 29171), (2759, 23525), (4705, 13795)]