1290006784

素因数分解:

$2^8\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{26947}}^1$

素因数の和:26991

約数の個数: 72

約数和(自身を含む): 2974412448

約数和(自身を除く): 1684405664

約数列:

[1, 2, 4, 8, 11, 16, 17, 22, 32, 34, 44, 64, 68, 88, 128, 136, 176, 187, 256, 272, 352, 374, 544, 704, 748, 1088, 1408, 1496, 2176, 2816, 2992, 4352, 5984, 11968, 23936, 26947, 47872, 53894, 107788, 215576, 296417, 431152, 458099, 592834, 862304, 916198, 1185668, 1724608, 1832396, 2371336, 3449216, 3664792, 4742672, 5039089, 6898432, 7329584, 9485344, 10078178, 14659168, 18970688, 20156356, 29318336, 37941376, 40312712, 58636672, 75882752, 80625424, 117273344, 161250848, 322501696, 645003392, 1290006784]

約数ペア:

[(1, 1290006784), (2, 645003392), (4, 322501696), (8, 161250848), (11, 117273344), (16, 80625424), (17, 75882752), (22, 58636672), (32, 40312712), (34, 37941376), (44, 29318336), (64, 20156356), (68, 18970688), (88, 14659168), (128, 10078178), (136, 9485344), (176, 7329584), (187, 6898432), (256, 5039089), (272, 4742672), (352, 3664792), (374, 3449216), (544, 2371336), (704, 1832396), (748, 1724608), (1088, 1185668), (1408, 916198), (1496, 862304), (2176, 592834), (2816, 458099), (2992, 431152), (4352, 296417), (5984, 215576), (11968, 107788), (23936, 53894), (26947, 47872)]