66823225

素因数分解:

$5^2\times 7^1\times {\mathrm{421}}^1\times {\mathrm{907}}^1$

素因数の和:1345

約数の個数: 24

約数和(自身を含む): 95027648

約数和(自身を除く): 28204423

約数列:

[1, 5, 7, 25, 35, 175, 421, 907, 2105, 2947, 4535, 6349, 10525, 14735, 22675, 31745, 73675, 158725, 381847, 1909235, 2672929, 9546175, 13364645, 66823225]

約数ペア:

[(1, 66823225), (5, 13364645), (7, 9546175), (25, 2672929), (35, 1909235), (175, 381847), (421, 158725), (907, 73675), (2105, 31745), (2947, 22675), (4535, 14735), (6349, 10525)]