12874355

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{191}}^1$

素因数の和:287

約数の個数: 32

約数和(自身を含む): 17998848

約数和(自身を除く): 5124493

約数列:

[1, 5, 13, 17, 61, 65, 85, 191, 221, 305, 793, 955, 1037, 1105, 2483, 3247, 3965, 5185, 11651, 12415, 13481, 16235, 42211, 58255, 67405, 151463, 198067, 211055, 757315, 990335, 2574871, 12874355]

約数ペア:

[(1, 12874355), (5, 2574871), (13, 990335), (17, 757315), (61, 211055), (65, 198067), (85, 151463), (191, 67405), (221, 58255), (305, 42211), (793, 16235), (955, 13481), (1037, 12415), (1105, 11651), (2483, 5185), (3247, 3965)]