39964544

素因数分解:

$2^7\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{137}}^1$

素因数の和:247

約数の個数: 64

約数和(自身を含む): 83611440

約数和(自身を除く): 43646896

約数列:

[1, 2, 4, 8, 16, 32, 43, 53, 64, 86, 106, 128, 137, 172, 212, 274, 344, 424, 548, 688, 848, 1096, 1376, 1696, 2192, 2279, 2752, 3392, 4384, 4558, 5504, 5891, 6784, 7261, 8768, 9116, 11782, 14522, 17536, 18232, 23564, 29044, 36464, 47128, 58088, 72928, 94256, 116176, 145856, 188512, 232352, 291712, 312223, 377024, 464704, 624446, 754048, 929408, 1248892, 2497784, 4995568, 9991136, 19982272, 39964544]

約数ペア:

[(1, 39964544), (2, 19982272), (4, 9991136), (8, 4995568), (16, 2497784), (32, 1248892), (43, 929408), (53, 754048), (64, 624446), (86, 464704), (106, 377024), (128, 312223), (137, 291712), (172, 232352), (212, 188512), (274, 145856), (344, 116176), (424, 94256), (548, 72928), (688, 58088), (848, 47128), (1096, 36464), (1376, 29044), (1696, 23564), (2192, 18232), (2279, 17536), (2752, 14522), (3392, 11782), (4384, 9116), (4558, 8768), (5504, 7261), (5891, 6784)]