161981387

素因数分解:

${\mathrm{23}}^2\times {\mathrm{43}}^1\times {\mathrm{7121}}^1$

素因数の和:7210

約数の個数: 12

約数和(自身を含む): 173292504

約数和(自身を除く): 11311117

約数列:

[1, 23, 43, 529, 989, 7121, 22747, 163783, 306203, 3767009, 7042669, 161981387]

約数ペア:

[(1, 161981387), (23, 7042669), (43, 3767009), (529, 306203), (989, 163783), (7121, 22747)]