551460208

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{61657}}^1$

素因数の和:61721

約数の個数: 40

約数和(自身を含む): 1177421168

約数和(自身を除く): 625960960

約数列:

[1, 2, 4, 8, 13, 16, 26, 43, 52, 86, 104, 172, 208, 344, 559, 688, 1118, 2236, 4472, 8944, 61657, 123314, 246628, 493256, 801541, 986512, 1603082, 2651251, 3206164, 5302502, 6412328, 10605004, 12824656, 21210008, 34466263, 42420016, 68932526, 137865052, 275730104, 551460208]

約数ペア:

[(1, 551460208), (2, 275730104), (4, 137865052), (8, 68932526), (13, 42420016), (16, 34466263), (26, 21210008), (43, 12824656), (52, 10605004), (86, 6412328), (104, 5302502), (172, 3206164), (208, 2651251), (344, 1603082), (559, 986512), (688, 801541), (1118, 493256), (2236, 246628), (4472, 123314), (8944, 61657)]