89876365

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^2\times {\mathrm{29}}^1\times {\mathrm{101}}^1$

素因数の和:190

約数の個数: 48

約数和(自身を含む): 125912880

約数和(自身を除く): 36036515

約数列:

[1, 5, 17, 19, 29, 85, 95, 101, 145, 323, 361, 493, 505, 551, 1615, 1717, 1805, 1919, 2465, 2755, 2929, 6137, 8585, 9367, 9595, 10469, 14645, 30685, 32623, 36461, 46835, 49793, 52345, 55651, 163115, 177973, 182305, 248965, 278255, 619837, 889865, 946067, 1057369, 3099185, 4730335, 5286845, 17975273, 89876365]

約数ペア:

[(1, 89876365), (5, 17975273), (17, 5286845), (19, 4730335), (29, 3099185), (85, 1057369), (95, 946067), (101, 889865), (145, 619837), (323, 278255), (361, 248965), (493, 182305), (505, 177973), (551, 163115), (1615, 55651), (1717, 52345), (1805, 49793), (1919, 46835), (2465, 36461), (2755, 32623), (2929, 30685), (6137, 14645), (8585, 10469), (9367, 9595)]