218486315

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{40423}}^1$

素因数の和:40498

約数の個数: 16

約数和(自身を含む): 279410688

約数和(自身を除く): 60924373

約数列:

[1, 5, 23, 47, 115, 235, 1081, 5405, 40423, 202115, 929729, 1899881, 4648645, 9499405, 43697263, 218486315]

約数ペア:

[(1, 218486315), (5, 43697263), (23, 9499405), (47, 4648645), (115, 1899881), (235, 929729), (1081, 202115), (5405, 40423)]