389300425

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{563}}^1\times {\mathrm{1627}}^1$

素因数の和:2217

約数の個数: 24

約数和(自身を含む): 512351136

約数和(自身を除く): 123050711

約数列:

[1, 5, 17, 25, 85, 425, 563, 1627, 2815, 8135, 9571, 14075, 27659, 40675, 47855, 138295, 239275, 691475, 916001, 4580005, 15572017, 22900025, 77860085, 389300425]

約数ペア:

[(1, 389300425), (5, 77860085), (17, 22900025), (25, 15572017), (85, 4580005), (425, 916001), (563, 691475), (1627, 239275), (2815, 138295), (8135, 47855), (9571, 40675), (14075, 27659)]