1285386856

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{12359489}}^1$

素因数の和:12359508

約数の個数: 16

約数和(自身を含む): 2595492900

約数和(自身を除く): 1310106044

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 12359489, 24718978, 49437956, 98875912, 160673357, 321346714, 642693428, 1285386856]

約数ペア:

[(1, 1285386856), (2, 642693428), (4, 321346714), (8, 160673357), (13, 98875912), (26, 49437956), (52, 24718978), (104, 12359489)]