217189813

素因数分解:

${\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{67}}^1\times {\mathrm{1973}}^1$

素因数の和:2124

約数の個数: 16

約数和(自身を含む): 231952896

約数和(自身を除く): 14763083

約数列:

[1, 31, 53, 67, 1643, 1973, 2077, 3551, 61163, 104569, 110081, 132191, 3241639, 4097921, 7006123, 217189813]

約数ペア:

[(1, 217189813), (31, 7006123), (53, 4097921), (67, 3241639), (1643, 132191), (1973, 110081), (2077, 104569), (3551, 61163)]