1280956894

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{53}}^1\times {\mathrm{1597}}^1$

素因数の和:1729

約数の個数: 64

約数和(自身を含む): 2385801216

約数和(自身を除く): 1104844322

約数列:

[1, 2, 7, 14, 23, 46, 47, 53, 94, 106, 161, 322, 329, 371, 658, 742, 1081, 1219, 1597, 2162, 2438, 2491, 3194, 4982, 7567, 8533, 11179, 15134, 17066, 17437, 22358, 34874, 36731, 57293, 73462, 75059, 84641, 114586, 150118, 169282, 257117, 401051, 514234, 525413, 592487, 802102, 1050826, 1184974, 1726357, 1946743, 3452714, 3893486, 3978127, 7956254, 12084499, 13627201, 24168998, 27254402, 27846889, 55693778, 91496921, 182993842, 640478447, 1280956894]

約数ペア:

[(1, 1280956894), (2, 640478447), (7, 182993842), (14, 91496921), (23, 55693778), (46, 27846889), (47, 27254402), (53, 24168998), (94, 13627201), (106, 12084499), (161, 7956254), (322, 3978127), (329, 3893486), (371, 3452714), (658, 1946743), (742, 1726357), (1081, 1184974), (1219, 1050826), (1597, 802102), (2162, 592487), (2438, 525413), (2491, 514234), (3194, 401051), (4982, 257117), (7567, 169282), (8533, 150118), (11179, 114586), (15134, 84641), (17066, 75059), (17437, 73462), (22358, 57293), (34874, 36731)]