78999604

素因数分解:

$2^2\times {\mathrm{89}}^1\times {\mathrm{221909}}^1$

素因数の和:222002

約数の個数: 12

約数和(自身を含む): 139803300

約数和(自身を除く): 60803696

約数列:

[1, 2, 4, 89, 178, 356, 221909, 443818, 887636, 19749901, 39499802, 78999604]

約数ペア:

[(1, 78999604), (2, 39499802), (4, 19749901), (89, 887636), (178, 443818), (356, 221909)]