688004936

素因数分解:

$2^3\times {\mathrm{37}}^1\times {\mathrm{421}}^1\times {\mathrm{5521}}^1$

素因数の和:5985

約数の個数: 32

約数和(自身を含む): 1328261880

約数和(自身を除く): 640256944

約数列:

[1, 2, 4, 8, 37, 74, 148, 296, 421, 842, 1684, 3368, 5521, 11042, 15577, 22084, 31154, 44168, 62308, 124616, 204277, 408554, 817108, 1634216, 2324341, 4648682, 9297364, 18594728, 86000617, 172001234, 344002468, 688004936]

約数ペア:

[(1, 688004936), (2, 344002468), (4, 172001234), (8, 86000617), (37, 18594728), (74, 9297364), (148, 4648682), (296, 2324341), (421, 1634216), (842, 817108), (1684, 408554), (3368, 204277), (5521, 124616), (11042, 62308), (15577, 44168), (22084, 31154)]