2779205

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^3\times {\mathrm{23}}^1$

素因数の和:78

約数の個数: 32

約数和(自身を含む): 4112640

約数和(自身を除く): 1333435

約数列:

[1, 5, 11, 13, 23, 55, 65, 115, 143, 169, 253, 299, 715, 845, 1265, 1495, 1859, 2197, 3289, 3887, 9295, 10985, 16445, 19435, 24167, 42757, 50531, 120835, 213785, 252655, 555841, 2779205]

約数ペア:

[(1, 2779205), (5, 555841), (11, 252655), (13, 213785), (23, 120835), (55, 50531), (65, 42757), (115, 24167), (143, 19435), (169, 16445), (253, 10985), (299, 9295), (715, 3887), (845, 3289), (1265, 2197), (1495, 1859)]