1289773376

素因数分解:

$2^6\times {\mathrm{29}}^1\times {\mathrm{787}}^1\times {\mathrm{883}}^1$

素因数の和:1711

約数の個数: 56

約数和(自身を含む): 2654015520

約数和(自身を除く): 1364242144

約数列:

[1, 2, 4, 8, 16, 29, 32, 58, 64, 116, 232, 464, 787, 883, 928, 1574, 1766, 1856, 3148, 3532, 6296, 7064, 12592, 14128, 22823, 25184, 25607, 28256, 45646, 50368, 51214, 56512, 91292, 102428, 182584, 204856, 365168, 409712, 694921, 730336, 819424, 1389842, 1460672, 1638848, 2779684, 5559368, 11118736, 20152709, 22237472, 40305418, 44474944, 80610836, 161221672, 322443344, 644886688, 1289773376]

約数ペア:

[(1, 1289773376), (2, 644886688), (4, 322443344), (8, 161221672), (16, 80610836), (29, 44474944), (32, 40305418), (58, 22237472), (64, 20152709), (116, 11118736), (232, 5559368), (464, 2779684), (787, 1638848), (883, 1460672), (928, 1389842), (1574, 819424), (1766, 730336), (1856, 694921), (3148, 409712), (3532, 365168), (6296, 204856), (7064, 182584), (12592, 102428), (14128, 91292), (22823, 56512), (25184, 51214), (25607, 50368), (28256, 45646)]