639635386

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{403301}}^1$

素因数の和:403377

約数の個数: 16

約数和(自身を含む): 1050198408

約数和(自身を除く): 410563022

約数列:

[1, 2, 13, 26, 61, 122, 793, 1586, 403301, 806602, 5242913, 10485826, 24601361, 49202722, 319817693, 639635386]

約数ペア:

[(1, 639635386), (2, 319817693), (13, 49202722), (26, 24601361), (61, 10485826), (122, 5242913), (793, 806602), (1586, 403301)]