390542015

素因数分解:

$5^1\times {\mathrm{41}}^1\times {\mathrm{709}}^1\times {\mathrm{2687}}^1$

素因数の和:3442

約数の個数: 16

約数和(自身を含む): 480936960

約数和(自身を除く): 90394945

約数列:

[1, 5, 41, 205, 709, 2687, 3545, 13435, 29069, 110167, 145345, 550835, 1905083, 9525415, 78108403, 390542015]

約数ペア:

[(1, 390542015), (5, 78108403), (41, 9525415), (205, 1905083), (709, 550835), (2687, 145345), (3545, 110167), (13435, 29069)]