16818391225

素因数分解:

$5^2\times {\mathrm{29}}^1\times {\mathrm{101}}^1\times {\mathrm{229681}}^1$

素因数の和:229821

約数の個数: 24

約数和(自身を含む): 21787634520

約数和(自身を除く): 4969243295

約数列:

[1, 5, 25, 29, 101, 145, 505, 725, 2525, 2929, 14645, 73225, 229681, 1148405, 5742025, 6660749, 23197781, 33303745, 115988905, 166518725, 579944525, 672735649, 3363678245, 16818391225]

約数ペア:

[(1, 16818391225), (5, 3363678245), (25, 672735649), (29, 579944525), (101, 166518725), (145, 115988905), (505, 33303745), (725, 23197781), (2525, 6660749), (2929, 5742025), (14645, 1148405), (73225, 229681)]