128925665

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{163}}^1\times {\mathrm{197}}^1$

素因数の和:449

約数の個数: 32

約数和(自身を含む): 173010816

約数和(自身を除く): 44085151

約数列:

[1, 5, 11, 55, 73, 163, 197, 365, 803, 815, 985, 1793, 2167, 4015, 8965, 10835, 11899, 14381, 32111, 59495, 71905, 130889, 158191, 160555, 353221, 654445, 790955, 1766105, 2344103, 11720515, 25785133, 128925665]

約数ペア:

[(1, 128925665), (5, 25785133), (11, 11720515), (55, 2344103), (73, 1766105), (163, 790955), (197, 654445), (365, 353221), (803, 160555), (815, 158191), (985, 130889), (1793, 71905), (2167, 59495), (4015, 32111), (8965, 14381), (10835, 11899)]