1781351374

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{661}}^1\times {\mathrm{122497}}^1$

素因数の和:123171

約数の個数: 16

約数和(自身を含む): 2919372336

約数和(自身を除く): 1138020962

約数列:

[1, 2, 11, 22, 661, 1322, 7271, 14542, 122497, 244994, 1347467, 2694934, 80970517, 161941034, 890675687, 1781351374]

約数ペア:

[(1, 1781351374), (2, 890675687), (11, 161941034), (22, 80970517), (661, 2694934), (1322, 1347467), (7271, 244994), (14542, 122497)]