61816580

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{441547}}^1$

素因数の和:441563

約数の個数: 24

約数和(自身を含む): 148360128

約数和(自身を除く): 86543548

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 441547, 883094, 1766188, 2207735, 3090829, 4415470, 6181658, 8830940, 12363316, 15454145, 30908290, 61816580]

約数ペア:

[(1, 61816580), (2, 30908290), (4, 15454145), (5, 12363316), (7, 8830940), (10, 6181658), (14, 4415470), (20, 3090829), (28, 2207735), (35, 1766188), (70, 883094), (140, 441547)]