8715985

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{41}}^2\times {\mathrm{61}}^1$

素因数の和:165

約数の個数: 24

約数和(自身を含む): 11537208

約数和(自身を除く): 2821223

約数列:

[1, 5, 17, 41, 61, 85, 205, 305, 697, 1037, 1681, 2501, 3485, 5185, 8405, 12505, 28577, 42517, 102541, 142885, 212585, 512705, 1743197, 8715985]

約数ペア:

[(1, 8715985), (5, 1743197), (17, 512705), (41, 212585), (61, 142885), (85, 102541), (205, 42517), (305, 28577), (697, 12505), (1037, 8405), (1681, 5185), (2501, 3485)]