1271688019

素因数分解:

$7^1\times {\mathrm{29}}^1\times {\mathrm{311}}^1\times {\mathrm{20143}}^1$

素因数の和:20490

約数の個数: 16

約数和(自身を含む): 1508382720

約数和(自身を除く): 236694701

約数列:

[1, 7, 29, 203, 311, 2177, 9019, 20143, 63133, 141001, 584147, 4089029, 6264473, 43851311, 181669717, 1271688019]

約数ペア:

[(1, 1271688019), (7, 181669717), (29, 43851311), (203, 6264473), (311, 4089029), (2177, 584147), (9019, 141001), (20143, 63133)]