1661569565

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{137}}^1\times {\mathrm{263}}^1\times {\mathrm{401}}^1$

素因数の和:829

約数の個数: 32

約数和(自身を含む): 2108975616

約数和(自身を除く): 447406051

約数列:

[1, 5, 23, 115, 137, 263, 401, 685, 1315, 2005, 3151, 6049, 9223, 15755, 30245, 36031, 46115, 54937, 105463, 180155, 274685, 527315, 828713, 1263551, 2425649, 4143565, 6317755, 12128245, 14448431, 72242155, 332313913, 1661569565]

約数ペア:

[(1, 1661569565), (5, 332313913), (23, 72242155), (115, 14448431), (137, 12128245), (263, 6317755), (401, 4143565), (685, 2425649), (1315, 1263551), (2005, 828713), (3151, 527315), (6049, 274685), (9223, 180155), (15755, 105463), (30245, 54937), (36031, 46115)]