30721918

素因数分解:

$2^1\times {\mathrm{61}}^1\times {\mathrm{419}}^1\times {\mathrm{601}}^1$

素因数の和:1083

約数の個数: 16

約数和(自身を含む): 47028240

約数和(自身を除く): 16306322

約数列:

[1, 2, 61, 122, 419, 601, 838, 1202, 25559, 36661, 51118, 73322, 251819, 503638, 15360959, 30721918]

約数ペア:

[(1, 30721918), (2, 15360959), (61, 503638), (122, 251819), (419, 73322), (601, 51118), (838, 36661), (1202, 25559)]