216006917

素因数分解:

$7^1\times {\mathrm{61}}^1\times {\mathrm{505871}}^1$

素因数の和:505939

約数の個数: 8

約数和(自身を含む): 250912512

約数和(自身を除く): 34905595

約数列:

[1, 7, 61, 427, 505871, 3541097, 30858131, 216006917]

約数ペア:

[(1, 216006917), (7, 30858131), (61, 3541097), (427, 505871)]