78718871

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{251}}^1\times {\mathrm{4073}}^1$

素因数の和:4342

約数の個数: 16

約数和(自身を含む): 98558208

約数和(自身を除く): 19839337

約数列:

[1, 7, 11, 77, 251, 1757, 2761, 4073, 19327, 28511, 44803, 313621, 1022323, 7156261, 11245553, 78718871]

約数ペア:

[(1, 78718871), (7, 11245553), (11, 7156261), (77, 1022323), (251, 313621), (1757, 44803), (2761, 28511), (4073, 19327)]