123478381

素因数分解:

${\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{181}}^1\times {\mathrm{541}}^1$

素因数の和:832

約数の個数: 16

約数和(自身を含む): 135339568

約数和(自身を除く): 11861187

約数列:

[1, 13, 97, 181, 541, 1261, 2353, 7033, 17557, 52477, 97921, 228241, 682201, 1272973, 9498337, 123478381]

約数ペア:

[(1, 123478381), (13, 9498337), (97, 1272973), (181, 682201), (541, 228241), (1261, 97921), (2353, 52477), (7033, 17557)]