66660752

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{307}}^1\times {\mathrm{331}}^1$

素因数の和:687

約数の個数: 40

約数和(自身を含む): 133137312

約数和(自身を除く): 66476560

約数列:

[1, 2, 4, 8, 16, 41, 82, 164, 307, 328, 331, 614, 656, 662, 1228, 1324, 2456, 2648, 4912, 5296, 12587, 13571, 25174, 27142, 50348, 54284, 100696, 101617, 108568, 201392, 203234, 217136, 406468, 812936, 1625872, 4166297, 8332594, 16665188, 33330376, 66660752]

約数ペア:

[(1, 66660752), (2, 33330376), (4, 16665188), (8, 8332594), (16, 4166297), (41, 1625872), (82, 812936), (164, 406468), (307, 217136), (328, 203234), (331, 201392), (614, 108568), (656, 101617), (662, 100696), (1228, 54284), (1324, 50348), (2456, 27142), (2648, 25174), (4912, 13571), (5296, 12587)]