2105529985

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{31237}}^1$

素因数の和:31333

約数の個数: 32

約数和(自身を含む): 2928375072

約数和(自身を除く): 822845087

約数列:

[1, 5, 13, 17, 61, 65, 85, 221, 305, 793, 1037, 1105, 3965, 5185, 13481, 31237, 67405, 156185, 406081, 531029, 1905457, 2030405, 2655145, 6903377, 9527285, 24770941, 32392769, 34516885, 123854705, 161963845, 421105997, 2105529985]

約数ペア:

[(1, 2105529985), (5, 421105997), (13, 161963845), (17, 123854705), (61, 34516885), (65, 32392769), (85, 24770941), (221, 9527285), (305, 6903377), (793, 2655145), (1037, 2030405), (1105, 1905457), (3965, 531029), (5185, 406081), (13481, 156185), (31237, 67405)]