16990085

素因数分解:

$5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{881}}^1$

素因数の和:941

約数の個数: 32

約数和(自身を含む): 25401600

約数和(自身を除く): 8411515

約数列:

[1, 5, 7, 19, 29, 35, 95, 133, 145, 203, 551, 665, 881, 1015, 2755, 3857, 4405, 6167, 16739, 19285, 25549, 30835, 83695, 117173, 127745, 178843, 485431, 585865, 894215, 2427155, 3398017, 16990085]

約数ペア:

[(1, 16990085), (5, 3398017), (7, 2427155), (19, 894215), (29, 585865), (35, 485431), (95, 178843), (133, 127745), (145, 117173), (203, 83695), (551, 30835), (665, 25549), (881, 19285), (1015, 16739), (2755, 6167), (3857, 4405)]