1278281736

素因数分解:

$2^3\times 3^4\times {\mathrm{1972657}}^1$

素因数の和:1972675

約数の個数: 40

約数和(自身を含む): 3580374270

約数和(自身を除く): 2302092534

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 81, 108, 162, 216, 324, 648, 1972657, 3945314, 5917971, 7890628, 11835942, 15781256, 17753913, 23671884, 35507826, 47343768, 53261739, 71015652, 106523478, 142031304, 159785217, 213046956, 319570434, 426093912, 639140868, 1278281736]

約数ペア:

[(1, 1278281736), (2, 639140868), (3, 426093912), (4, 319570434), (6, 213046956), (8, 159785217), (9, 142031304), (12, 106523478), (18, 71015652), (24, 53261739), (27, 47343768), (36, 35507826), (54, 23671884), (72, 17753913), (81, 15781256), (108, 11835942), (162, 7890628), (216, 5917971), (324, 3945314), (648, 1972657)]