1985425

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{149}}^1$

素因数の和:213

約数の個数: 24

約数和(自身を含む): 2734200

約数和(自身を除く): 748775

約数列:

[1, 5, 13, 25, 41, 65, 149, 205, 325, 533, 745, 1025, 1937, 2665, 3725, 6109, 9685, 13325, 30545, 48425, 79417, 152725, 397085, 1985425]

約数ペア:

[(1, 1985425), (5, 397085), (13, 152725), (25, 79417), (41, 48425), (65, 30545), (149, 13325), (205, 9685), (325, 6109), (533, 3725), (745, 2665), (1025, 1937)]