864420865

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{118171}}^1$

素因数の和:118213

約数の個数: 32

約数和(自身を含む): 1361341440

約数和(自身を除く): 496920575

約数列:

[1, 5, 7, 11, 19, 35, 55, 77, 95, 133, 209, 385, 665, 1045, 1463, 7315, 118171, 590855, 827197, 1299881, 2245249, 4135985, 6499405, 9099167, 11226245, 15716743, 24697739, 45495835, 78583715, 123488695, 172884173, 864420865]

約数ペア:

[(1, 864420865), (5, 172884173), (7, 123488695), (11, 78583715), (19, 45495835), (35, 24697739), (55, 15716743), (77, 11226245), (95, 9099167), (133, 6499405), (209, 4135985), (385, 2245249), (665, 1299881), (1045, 827197), (1463, 590855), (7315, 118171)]