2781505

素因数分解:

$5^1\times {\mathrm{19}}^2\times {\mathrm{23}}^1\times {\mathrm{67}}^1$

素因数の和:133

約数の個数: 24

約数和(自身を含む): 3730752

約数和(自身を除く): 949247

約数列:

[1, 5, 19, 23, 67, 95, 115, 335, 361, 437, 1273, 1541, 1805, 2185, 6365, 7705, 8303, 24187, 29279, 41515, 120935, 146395, 556301, 2781505]

約数ペア:

[(1, 2781505), (5, 556301), (19, 146395), (23, 120935), (67, 41515), (95, 29279), (115, 24187), (335, 8303), (361, 7705), (437, 6365), (1273, 2185), (1541, 1805)]