163920386

素因数分解:

$2^1\times 7^3\times {\mathrm{43}}^1\times {\mathrm{5557}}^1$

素因数の和:5623

約数の個数: 32

約数和(自身を含む): 293462400

約数和(自身を除く): 129542014

約数列:

[1, 2, 7, 14, 43, 49, 86, 98, 301, 343, 602, 686, 2107, 4214, 5557, 11114, 14749, 29498, 38899, 77798, 238951, 272293, 477902, 544586, 1672657, 1906051, 3345314, 3812102, 11708599, 23417198, 81960193, 163920386]

約数ペア:

[(1, 163920386), (2, 81960193), (7, 23417198), (14, 11708599), (43, 3812102), (49, 3345314), (86, 1906051), (98, 1672657), (301, 544586), (343, 477902), (602, 272293), (686, 238951), (2107, 77798), (4214, 38899), (5557, 29498), (11114, 14749)]