2810525

素因数分解:

$5^2\times {\mathrm{17}}^2\times {\mathrm{389}}^1$

素因数の和:433

約数の個数: 18

約数和(自身を含む): 3711630

約数和(自身を除く): 901105

約数列:

[1, 5, 17, 25, 85, 289, 389, 425, 1445, 1945, 6613, 7225, 9725, 33065, 112421, 165325, 562105, 2810525]

約数ペア:

[(1, 2810525), (5, 562105), (17, 165325), (25, 112421), (85, 33065), (289, 9725), (389, 7225), (425, 6613), (1445, 1945)]