212775745

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{193}}^1\times {\mathrm{2423}}^1$

素因数の和:2641

約数の個数: 32

約数和(自身を含む): 316012032

約数和(自身を除く): 103236287

約数列:

[1, 5, 7, 13, 35, 65, 91, 193, 455, 965, 1351, 2423, 2509, 6755, 12115, 12545, 16961, 17563, 31499, 84805, 87815, 157495, 220493, 467639, 1102465, 2338195, 3273473, 6079307, 16367365, 30396535, 42555149, 212775745]

約数ペア:

[(1, 212775745), (5, 42555149), (7, 30396535), (13, 16367365), (35, 6079307), (65, 3273473), (91, 2338195), (193, 1102465), (455, 467639), (965, 220493), (1351, 157495), (2423, 87815), (2509, 84805), (6755, 31499), (12115, 17563), (12545, 16961)]