31564916

素因数分解:

$2^2\times {\mathrm{41}}^1\times {\mathrm{197}}^1\times {\mathrm{977}}^1$

素因数の和:1219

約数の個数: 24

約数和(自身を含む): 56931336

約数和(自身を除く): 25366420

約数列:

[1, 2, 4, 41, 82, 164, 197, 394, 788, 977, 1954, 3908, 8077, 16154, 32308, 40057, 80114, 160228, 192469, 384938, 769876, 7891229, 15782458, 31564916]

約数ペア:

[(1, 31564916), (2, 15782458), (4, 7891229), (41, 769876), (82, 384938), (164, 192469), (197, 160228), (394, 80114), (788, 40057), (977, 32308), (1954, 16154), (3908, 8077)]