129471979

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{691}}^1$

素因数の和:811

約数の個数: 32

約数和(自身を含む): 167408640

約数和(自身を除く): 37936661

約数列:

[1, 7, 13, 29, 71, 91, 203, 377, 497, 691, 923, 2059, 2639, 4837, 6461, 8983, 14413, 20039, 26767, 49061, 62881, 140273, 187369, 260507, 343427, 637793, 1422769, 1823549, 4464551, 9959383, 18495997, 129471979]

約数ペア:

[(1, 129471979), (7, 18495997), (13, 9959383), (29, 4464551), (71, 1823549), (91, 1422769), (203, 637793), (377, 343427), (497, 260507), (691, 187369), (923, 140273), (2059, 62881), (2639, 49061), (4837, 26767), (6461, 20039), (8983, 14413)]