78840839

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{19319}}^1$

素因数の和:19390

約数の個数: 16

約数和(自身を含む): 100154880

約数和(自身を除く): 21314041

約数列:

[1, 7, 11, 53, 77, 371, 583, 4081, 19319, 135233, 212509, 1023907, 1487563, 7167349, 11262977, 78840839]

約数ペア:

[(1, 78840839), (7, 11262977), (11, 7167349), (53, 1487563), (77, 1023907), (371, 212509), (583, 135233), (4081, 19319)]