720332914

素因数分解:

$2^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{24989}}^1$

素因数の和:25098

約数の個数: 32

約数和(自身を含む): 1295481600

約数和(自身を除く): 575148686

約数列:

[1, 2, 7, 14, 29, 58, 71, 142, 203, 406, 497, 994, 2059, 4118, 14413, 24989, 28826, 49978, 174923, 349846, 724681, 1449362, 1774219, 3548438, 5072767, 10145534, 12419533, 24839066, 51452351, 102904702, 360166457, 720332914]

約数ペア:

[(1, 720332914), (2, 360166457), (7, 102904702), (14, 51452351), (29, 24839066), (58, 12419533), (71, 10145534), (142, 5072767), (203, 3548438), (406, 1774219), (497, 1449362), (994, 724681), (2059, 349846), (4118, 174923), (14413, 49978), (24989, 28826)]