12571984

素因数分解:

$2^4\times {\mathrm{23}}^1\times {\mathrm{127}}^1\times {\mathrm{269}}^1$

素因数の和:427

約数の個数: 40

約数和(自身を含む): 25712640

約数和(自身を除く): 13140656

約数列:

[1, 2, 4, 8, 16, 23, 46, 92, 127, 184, 254, 269, 368, 508, 538, 1016, 1076, 2032, 2152, 2921, 4304, 5842, 6187, 11684, 12374, 23368, 24748, 34163, 46736, 49496, 68326, 98992, 136652, 273304, 546608, 785749, 1571498, 3142996, 6285992, 12571984]

約数ペア:

[(1, 12571984), (2, 6285992), (4, 3142996), (8, 1571498), (16, 785749), (23, 546608), (46, 273304), (92, 136652), (127, 98992), (184, 68326), (254, 49496), (269, 46736), (368, 34163), (508, 24748), (538, 23368), (1016, 12374), (1076, 11684), (2032, 6187), (2152, 5842), (2921, 4304)]