216163199

素因数分解:

$7^1\times {\mathrm{47}}^1\times {\mathrm{61}}^1\times {\mathrm{10771}}^1$

素因数の和:10886

約数の個数: 16

約数和(自身を含む): 256459776

約数和(自身を除く): 40296577

約数列:

[1, 7, 47, 61, 329, 427, 2867, 10771, 20069, 75397, 506237, 657031, 3543659, 4599217, 30880457, 216163199]

約数ペア:

[(1, 216163199), (7, 30880457), (47, 4599217), (61, 3543659), (329, 657031), (427, 506237), (2867, 75397), (10771, 20069)]