71526890

素因数分解:

$2^1\times 5^1\times {\mathrm{109}}^1\times {\mathrm{211}}^1\times {\mathrm{311}}^1$

素因数の和:638

約数の個数: 32

約数和(自身を含む): 130965120

約数和(自身を除く): 59438230

約数列:

[1, 2, 5, 10, 109, 211, 218, 311, 422, 545, 622, 1055, 1090, 1555, 2110, 3110, 22999, 33899, 45998, 65621, 67798, 114995, 131242, 169495, 229990, 328105, 338990, 656210, 7152689, 14305378, 35763445, 71526890]

約数ペア:

[(1, 71526890), (2, 35763445), (5, 14305378), (10, 7152689), (109, 656210), (211, 338990), (218, 328105), (311, 229990), (422, 169495), (545, 131242), (622, 114995), (1055, 67798), (1090, 65621), (1555, 45998), (2110, 33899), (3110, 22999)]