213128741

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{24977}}^1$

素因数の和:25060

約数の個数: 16

約数和(自身を含む): 258971904

約数和(自身を除く): 45843163

約数列:

[1, 7, 23, 53, 161, 371, 1219, 8533, 24977, 174839, 574471, 1323781, 4021297, 9266467, 30446963, 213128741]

約数ペア:

[(1, 213128741), (7, 30446963), (23, 9266467), (53, 4021297), (161, 1323781), (371, 574471), (1219, 174839), (8533, 24977)]