31289168

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{199}}^1\times {\mathrm{317}}^1$

素因数の和:555

約数の個数: 40

約数和(自身を含む): 63091200

約数和(自身を除く): 31802032

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 199, 248, 317, 398, 496, 634, 796, 1268, 1592, 2536, 3184, 5072, 6169, 9827, 12338, 19654, 24676, 39308, 49352, 63083, 78616, 98704, 126166, 157232, 252332, 504664, 1009328, 1955573, 3911146, 7822292, 15644584, 31289168]

約数ペア:

[(1, 31289168), (2, 15644584), (4, 7822292), (8, 3911146), (16, 1955573), (31, 1009328), (62, 504664), (124, 252332), (199, 157232), (248, 126166), (317, 98704), (398, 78616), (496, 63083), (634, 49352), (796, 39308), (1268, 24676), (1592, 19654), (2536, 12338), (3184, 9827), (5072, 6169)]