1289222495

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{199}}^1\times {\mathrm{1931}}^1$

素因数の和:2207

約数の個数: 32

約数和(自身を含む): 1724889600

約数和(自身を除く): 435667105

約数列:

[1, 5, 11, 55, 61, 199, 305, 671, 995, 1931, 2189, 3355, 9655, 10945, 12139, 21241, 60695, 106205, 117791, 133529, 384269, 588955, 667645, 1295701, 1921345, 4226959, 6478505, 21134795, 23440409, 117202045, 257844499, 1289222495]

約数ペア:

[(1, 1289222495), (5, 257844499), (11, 117202045), (55, 23440409), (61, 21134795), (199, 6478505), (305, 4226959), (671, 1921345), (995, 1295701), (1931, 667645), (2189, 588955), (3355, 384269), (9655, 133529), (10945, 117791), (12139, 106205), (21241, 60695)]