201780172

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{107}}^1\times {\mathrm{42859}}^1$

素因数の和:42981

約数の個数: 24

約数和(自身を含む): 388825920

約数和(自身を除く): 187045748

約数列:

[1, 2, 4, 11, 22, 44, 107, 214, 428, 1177, 2354, 4708, 42859, 85718, 171436, 471449, 942898, 1885796, 4585913, 9171826, 18343652, 50445043, 100890086, 201780172]

約数ペア:

[(1, 201780172), (2, 100890086), (4, 50445043), (11, 18343652), (22, 9171826), (44, 4585913), (107, 1885796), (214, 942898), (428, 471449), (1177, 171436), (2354, 85718), (4708, 42859)]