395239964

素因数分解:

$2^2\times 7^1\times {\mathrm{157}}^1\times {\mathrm{89909}}^1$

素因数の和:90077

約数の個数: 24

約数和(自身を含む): 795523680

約数和(自身を除く): 400283716

約数列:

[1, 2, 4, 7, 14, 28, 157, 314, 628, 1099, 2198, 4396, 89909, 179818, 359636, 629363, 1258726, 2517452, 14115713, 28231426, 56462852, 98809991, 197619982, 395239964]

約数ペア:

[(1, 395239964), (2, 197619982), (4, 98809991), (7, 56462852), (14, 28231426), (28, 14115713), (157, 2517452), (314, 1258726), (628, 629363), (1099, 359636), (2198, 179818), (4396, 89909)]