1291298512

素因数分解:

$2^4\times 7^1\times {\mathrm{17}}^1\times {\mathrm{678203}}^1$

素因数の和:678235

約数の個数: 40

約数和(自身を含む): 3027502656

約数和(自身を除く): 1736204144

約数列:

[1, 2, 4, 7, 8, 14, 16, 17, 28, 34, 56, 68, 112, 119, 136, 238, 272, 476, 952, 1904, 678203, 1356406, 2712812, 4747421, 5425624, 9494842, 10851248, 11529451, 18989684, 23058902, 37979368, 46117804, 75958736, 80706157, 92235608, 161412314, 184471216, 322824628, 645649256, 1291298512]

約数ペア:

[(1, 1291298512), (2, 645649256), (4, 322824628), (7, 184471216), (8, 161412314), (14, 92235608), (16, 80706157), (17, 75958736), (28, 46117804), (34, 37979368), (56, 23058902), (68, 18989684), (112, 11529451), (119, 10851248), (136, 9494842), (238, 5425624), (272, 4747421), (476, 2712812), (952, 1356406), (1904, 678203)]