12978305

素因数分解:

$5^1\times {\mathrm{31}}^2\times {\mathrm{37}}^1\times {\mathrm{73}}^1$

素因数の和:177

約数の個数: 24

約数和(自身を含む): 16753896

約数和(自身を除く): 3775591

約数列:

[1, 5, 31, 37, 73, 155, 185, 365, 961, 1147, 2263, 2701, 4805, 5735, 11315, 13505, 35557, 70153, 83731, 177785, 350765, 418655, 2595661, 12978305]

約数ペア:

[(1, 12978305), (5, 2595661), (31, 418655), (37, 350765), (73, 177785), (155, 83731), (185, 70153), (365, 35557), (961, 13505), (1147, 11315), (2263, 5735), (2701, 4805)]