261849068

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{163}}^1\times {\mathrm{30893}}^1$

素因数の和:31073

約数の個数: 24

約数和(自身を含む): 496528368

約数和(自身を除く): 234679300

約数列:

[1, 2, 4, 13, 26, 52, 163, 326, 652, 2119, 4238, 8476, 30893, 61786, 123572, 401609, 803218, 1606436, 5035559, 10071118, 20142236, 65462267, 130924534, 261849068]

約数ペア:

[(1, 261849068), (2, 130924534), (4, 65462267), (13, 20142236), (26, 10071118), (52, 5035559), (163, 1606436), (326, 803218), (652, 401609), (2119, 123572), (4238, 61786), (8476, 30893)]