78724618

素因数分解:

$2^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{97}}^1\times {\mathrm{1999}}^1$

素因数の和:2134

約数の個数: 32

約数和(自身を含む): 141120000

約数和(自身を除く): 62395382

約数列:

[1, 2, 7, 14, 29, 58, 97, 194, 203, 406, 679, 1358, 1999, 2813, 3998, 5626, 13993, 19691, 27986, 39382, 57971, 115942, 193903, 387806, 405797, 811594, 1357321, 2714642, 5623187, 11246374, 39362309, 78724618]

約数ペア:

[(1, 78724618), (2, 39362309), (7, 11246374), (14, 5623187), (29, 2714642), (58, 1357321), (97, 811594), (194, 405797), (203, 387806), (406, 193903), (679, 115942), (1358, 57971), (1999, 39382), (2813, 27986), (3998, 19691), (5626, 13993)]