12591865

素因数分解:

$5^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{1601}}^1$

素因数の和:1641

約数の個数: 24

約数和(自身を含む): 17897544

約数和(自身を除く): 5305679

約数列:

[1, 5, 11, 13, 55, 65, 121, 143, 605, 715, 1573, 1601, 7865, 8005, 17611, 20813, 88055, 104065, 193721, 228943, 968605, 1144715, 2518373, 12591865]

約数ペア:

[(1, 12591865), (5, 2518373), (11, 1144715), (13, 968605), (55, 228943), (65, 193721), (121, 104065), (143, 88055), (605, 20813), (715, 17611), (1573, 8005), (1601, 7865)]