201996431

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{3529}}^1$

素因数の和:3603

約数の個数: 32

約数和(自身を含む): 270426240

約数和(自身を除く): 68429809

約数列:

[1, 7, 13, 17, 37, 91, 119, 221, 259, 481, 629, 1547, 3367, 3529, 4403, 8177, 24703, 45877, 57239, 59993, 130573, 321139, 419951, 779909, 914011, 1697449, 2219741, 5459363, 11882143, 15538187, 28856633, 201996431]

約数ペア:

[(1, 201996431), (7, 28856633), (13, 15538187), (17, 11882143), (37, 5459363), (91, 2219741), (119, 1697449), (221, 914011), (259, 779909), (481, 419951), (629, 321139), (1547, 130573), (3367, 59993), (3529, 57239), (4403, 45877), (8177, 24703)]