201621428

素因数分解:

$2^2\times {\mathrm{17}}^2\times {\mathrm{174413}}^1$

素因数の和:174451

約数の個数: 18

約数和(自身を含む): 374815686

約数和(自身を除く): 173194258

約数列:

[1, 2, 4, 17, 34, 68, 289, 578, 1156, 174413, 348826, 697652, 2965021, 5930042, 11860084, 50405357, 100810714, 201621428]

約数ペア:

[(1, 201621428), (2, 100810714), (4, 50405357), (17, 11860084), (34, 5930042), (68, 2965021), (289, 697652), (578, 348826), (1156, 174413)]