212585

素因数分解:

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

素因数の和:124

約数の個数: 16

約数和(自身を含む): 281232

約数和(自身を除く): 68647

約数列:

[1, 5, 17, 41, 61, 85, 205, 305, 697, 1037, 2501, 3485, 5185, 12505, 42517, 212585]

約数ペア:

[(1, 212585), (5, 42517), (17, 12505), (41, 5185), (61, 3485), (85, 2501), (205, 1037), (305, 697)]