211320205

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{521}}^1\times {\mathrm{3527}}^1$

素因数の和:4076

約数の個数: 16

約数和(自身を含む): 265192704

約数和(自身を除く): 53872499

約数列:

[1, 5, 23, 115, 521, 2605, 3527, 11983, 17635, 59915, 81121, 405605, 1837567, 9187835, 42264041, 211320205]

約数ペア:

[(1, 211320205), (5, 42264041), (23, 9187835), (115, 1837567), (521, 405605), (2605, 81121), (3527, 59915), (11983, 17635)]