39139918

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{79}}^1\times {\mathrm{131}}^1$

素因数の和:304

約数の個数: 32

約数和(自身を含む): 62853120

約数和(自身を除く): 23713202

約数列:

[1, 2, 31, 61, 62, 79, 122, 131, 158, 262, 1891, 2449, 3782, 4061, 4819, 4898, 7991, 8122, 9638, 10349, 15982, 20698, 149389, 247721, 298778, 320819, 495442, 631289, 641638, 1262578, 19569959, 39139918]

約数ペア:

[(1, 39139918), (2, 19569959), (31, 1262578), (61, 641638), (62, 631289), (79, 495442), (122, 320819), (131, 298778), (158, 247721), (262, 149389), (1891, 20698), (2449, 15982), (3782, 10349), (4061, 9638), (4819, 8122), (4898, 7991)]