215566970

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{66739}}^1$

素因数の和:66782

約数の個数: 32

約数和(自身を含む): 432475200

約数和(自身を除く): 216908230

約数列:

[1, 2, 5, 10, 17, 19, 34, 38, 85, 95, 170, 190, 323, 646, 1615, 3230, 66739, 133478, 333695, 667390, 1134563, 1268041, 2269126, 2536082, 5672815, 6340205, 11345630, 12680410, 21556697, 43113394, 107783485, 215566970]

約数ペア:

[(1, 215566970), (2, 107783485), (5, 43113394), (10, 21556697), (17, 12680410), (19, 11345630), (34, 6340205), (38, 5672815), (85, 2536082), (95, 2269126), (170, 1268041), (190, 1134563), (323, 667390), (646, 333695), (1615, 133478), (3230, 66739)]