1286751856

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{173}}^1\times {\mathrm{35759}}^1$

素因数の和:35953

約数の個数: 40

約数和(自身を含む): 2700452160

約数和(自身を除く): 1413700304

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 173, 208, 346, 692, 1384, 2249, 2768, 4498, 8996, 17992, 35759, 35984, 71518, 143036, 286072, 464867, 572144, 929734, 1859468, 3718936, 6186307, 7437872, 12372614, 24745228, 49490456, 80421991, 98980912, 160843982, 321687964, 643375928, 1286751856]

約数ペア:

[(1, 1286751856), (2, 643375928), (4, 321687964), (8, 160843982), (13, 98980912), (16, 80421991), (26, 49490456), (52, 24745228), (104, 12372614), (173, 7437872), (208, 6186307), (346, 3718936), (692, 1859468), (1384, 929734), (2249, 572144), (2768, 464867), (4498, 286072), (8996, 143036), (17992, 71518), (35759, 35984)]