64474372

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{109}}^1\times {\mathrm{181}}^1$

素因数の和:356

約数の個数: 48

約数和(自身を含む): 123323200

約数和(自身を除く): 58848828

約数列:

[1, 2, 4, 19, 38, 43, 76, 86, 109, 172, 181, 218, 362, 436, 724, 817, 1634, 2071, 3268, 3439, 4142, 4687, 6878, 7783, 8284, 9374, 13756, 15566, 18748, 19729, 31132, 39458, 78916, 89053, 147877, 178106, 295754, 356212, 374851, 591508, 749702, 848347, 1499404, 1696694, 3393388, 16118593, 32237186, 64474372]

約数ペア:

[(1, 64474372), (2, 32237186), (4, 16118593), (19, 3393388), (38, 1696694), (43, 1499404), (76, 848347), (86, 749702), (109, 591508), (172, 374851), (181, 356212), (218, 295754), (362, 178106), (436, 147877), (724, 89053), (817, 78916), (1634, 39458), (2071, 31132), (3268, 19729), (3439, 18748), (4142, 15566), (4687, 13756), (6878, 9374), (7783, 8284)]