1245789712

素因数分解:

$2^4\times {\mathrm{317}}^1\times {\mathrm{245621}}^1$

素因数の和:245946

約数の個数: 20

約数和(自身を含む): 2421341676

約数和(自身を除く): 1175551964

約数列:

[1, 2, 4, 8, 16, 317, 634, 1268, 2536, 5072, 245621, 491242, 982484, 1964968, 3929936, 77861857, 155723714, 311447428, 622894856, 1245789712]

約数ペア:

[(1, 1245789712), (2, 622894856), (4, 311447428), (8, 155723714), (16, 77861857), (317, 3929936), (634, 1964968), (1268, 982484), (2536, 491242), (5072, 245621)]