640499352

素因数分解:

$2^3\times 3^1\times {\mathrm{2819}}^1\times {\mathrm{9467}}^1$

素因数の和:12295

約数の個数: 32

約数和(自身を含む): 1601985600

約数和(自身を除く): 961486248

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 2819, 5638, 8457, 9467, 11276, 16914, 18934, 22552, 28401, 33828, 37868, 56802, 67656, 75736, 113604, 227208, 26687473, 53374946, 80062419, 106749892, 160124838, 213499784, 320249676, 640499352]

約数ペア:

[(1, 640499352), (2, 320249676), (3, 213499784), (4, 160124838), (6, 106749892), (8, 80062419), (12, 53374946), (24, 26687473), (2819, 227208), (5638, 113604), (8457, 75736), (9467, 67656), (11276, 56802), (16914, 37868), (18934, 33828), (22552, 28401)]