219221855

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{51521}}^1$

素因数の和:51586

約数の個数: 16

約数和(自身を含む): 281928384

約数和(自身を除く): 62706529

約数列:

[1, 5, 23, 37, 115, 185, 851, 4255, 51521, 257605, 1184983, 1906277, 5924915, 9531385, 43844371, 219221855]

約数ペア:

[(1, 219221855), (5, 43844371), (23, 9531385), (37, 5924915), (115, 1906277), (185, 1184983), (851, 257605), (4255, 51521)]