664694

素因数分解:

$2^1\times {\mathrm{43}}^1\times {\mathrm{59}}^1\times {\mathrm{131}}^1$

素因数の和:235

約数の個数: 16

約数和(自身を含む): 1045440

約数和(自身を除く): 380746

約数列:

[1, 2, 43, 59, 86, 118, 131, 262, 2537, 5074, 5633, 7729, 11266, 15458, 332347, 664694]

約数ペア:

[(1, 664694), (2, 332347), (43, 15458), (59, 11266), (86, 7729), (118, 5633), (131, 5074), (262, 2537)]