13231205

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1$

素因数の和:197

約数の個数: 32

約数和(自身を含む): 17998848

約数和(自身を除く): 4767643

約数列:

[1, 5, 13, 47, 61, 65, 71, 235, 305, 355, 611, 793, 923, 2867, 3055, 3337, 3965, 4331, 4615, 14335, 16685, 21655, 37271, 43381, 56303, 186355, 203557, 216905, 281515, 1017785, 2646241, 13231205]

約数ペア:

[(1, 13231205), (5, 2646241), (13, 1017785), (47, 281515), (61, 216905), (65, 203557), (71, 186355), (235, 56303), (305, 43381), (355, 37271), (611, 21655), (793, 16685), (923, 14335), (2867, 4615), (3055, 4331), (3337, 3965)]