256220906

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{239}}^1\times {\mathrm{31531}}^1$

素因数の和:31789

約数の個数: 16

約数和(自身を含む): 408654720

約数和(自身を除く): 152433814

約数列:

[1, 2, 17, 34, 239, 478, 4063, 8126, 31531, 63062, 536027, 1072054, 7535909, 15071818, 128110453, 256220906]

約数ペア:

[(1, 256220906), (2, 128110453), (17, 15071818), (34, 7535909), (239, 1072054), (478, 536027), (4063, 63062), (8126, 31531)]