2777515

素因数分解:

$5^1\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{173}}^1$

素因数の和:223

約数の個数: 24

約数和(自身を含む): 3821040

約数和(自身を除く): 1043525

約数列:

[1, 5, 13, 19, 65, 95, 169, 173, 247, 845, 865, 1235, 2249, 3211, 3287, 11245, 16055, 16435, 29237, 42731, 146185, 213655, 555503, 2777515]

約数ペア:

[(1, 2777515), (5, 555503), (13, 213655), (19, 146185), (65, 42731), (95, 29237), (169, 16435), (173, 16055), (247, 11245), (845, 3287), (865, 3211), (1235, 2249)]