989414

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{137}}^1\times {\mathrm{157}}^1$

素因数の和:319

約数の個数: 16

約数和(自身を含む): 1569888

約数和(自身を除く): 580474

約数列:

[1, 2, 23, 46, 137, 157, 274, 314, 3151, 3611, 6302, 7222, 21509, 43018, 494707, 989414]

約数ペア:

[(1, 989414), (2, 494707), (23, 43018), (46, 21509), (137, 7222), (157, 6302), (274, 3611), (314, 3151)]