2920379

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{97}}^1$

素因数の和:155

約数の個数: 32

約数和(自身を含む): 4064256

約数和(自身を除く): 1143877

約数列:

[1, 7, 11, 17, 23, 77, 97, 119, 161, 187, 253, 391, 679, 1067, 1309, 1649, 1771, 2231, 2737, 4301, 7469, 11543, 15617, 18139, 24541, 30107, 37927, 126973, 171787, 265489, 417197, 2920379]

約数ペア:

[(1, 2920379), (7, 417197), (11, 265489), (17, 171787), (23, 126973), (77, 37927), (97, 30107), (119, 24541), (161, 18139), (187, 15617), (253, 11543), (391, 7469), (679, 4301), (1067, 2737), (1309, 2231), (1649, 1771)]