2161382

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{491}}^1$

素因数の和:595

約数の個数: 16

約数和(自身を含む): 3400704

約数和(自身を除く): 1239322

約数列:

[1, 2, 31, 62, 71, 142, 491, 982, 2201, 4402, 15221, 30442, 34861, 69722, 1080691, 2161382]

約数ペア:

[(1, 2161382), (2, 1080691), (31, 69722), (62, 34861), (71, 30442), (142, 15221), (491, 4402), (982, 2201)]