166290509

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{109}}^1\times {\mathrm{19813}}^1$

素因数の和:19940

約数の個数: 16

約数和(自身を含む): 209235840

約数和(自身を除く): 42945331

約数列:

[1, 7, 11, 77, 109, 763, 1199, 8393, 19813, 138691, 217943, 1525601, 2159617, 15117319, 23755787, 166290509]

約数ペア:

[(1, 166290509), (7, 23755787), (11, 15117319), (77, 2159617), (109, 1525601), (763, 217943), (1199, 138691), (8393, 19813)]