2649520816

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{137}}^1\times {\mathrm{63617}}^1$

素因数の和:63781

約数の個数: 40

約数和(自身を含む): 5443156080

約数和(自身を除く): 2793635264

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 137, 152, 274, 304, 548, 1096, 2192, 2603, 5206, 10412, 20824, 41648, 63617, 127234, 254468, 508936, 1017872, 1208723, 2417446, 4834892, 8715529, 9669784, 17431058, 19339568, 34862116, 69724232, 139448464, 165595051, 331190102, 662380204, 1324760408, 2649520816]

約数ペア:

[(1, 2649520816), (2, 1324760408), (4, 662380204), (8, 331190102), (16, 165595051), (19, 139448464), (38, 69724232), (76, 34862116), (137, 19339568), (152, 17431058), (274, 9669784), (304, 8715529), (548, 4834892), (1096, 2417446), (2192, 1208723), (2603, 1017872), (5206, 508936), (10412, 254468), (20824, 127234), (41648, 63617)]