1282147856

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{191}}^1\times {\mathrm{887}}^1$

素因数の和:1140

約数の個数: 80

約数和(自身を含む): 2790678528

約数和(自身を除く): 1508530672

約数列:

[1, 2, 4, 8, 11, 16, 22, 43, 44, 86, 88, 172, 176, 191, 344, 382, 473, 688, 764, 887, 946, 1528, 1774, 1892, 2101, 3056, 3548, 3784, 4202, 7096, 7568, 8213, 8404, 9757, 14192, 16426, 16808, 19514, 32852, 33616, 38141, 39028, 65704, 76282, 78056, 90343, 131408, 152564, 156112, 169417, 180686, 305128, 338834, 361372, 419551, 610256, 677668, 722744, 839102, 1355336, 1445488, 1678204, 1863587, 2710672, 3356408, 3727174, 6712816, 7284931, 7454348, 14569862, 14908696, 29139724, 29817392, 58279448, 80134241, 116558896, 160268482, 320536964, 641073928, 1282147856]

約数ペア:

[(1, 1282147856), (2, 641073928), (4, 320536964), (8, 160268482), (11, 116558896), (16, 80134241), (22, 58279448), (43, 29817392), (44, 29139724), (86, 14908696), (88, 14569862), (172, 7454348), (176, 7284931), (191, 6712816), (344, 3727174), (382, 3356408), (473, 2710672), (688, 1863587), (764, 1678204), (887, 1445488), (946, 1355336), (1528, 839102), (1774, 722744), (1892, 677668), (2101, 610256), (3056, 419551), (3548, 361372), (3784, 338834), (4202, 305128), (7096, 180686), (7568, 169417), (8213, 156112), (8404, 152564), (9757, 131408), (14192, 90343), (16426, 78056), (16808, 76282), (19514, 65704), (32852, 39028), (33616, 38141)]