78271921

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{37397}}^1$

素因数の和:37440

約数の個数: 16

約数和(自身を含む): 100525824

約数和(自身を除く): 22253903

約数列:

[1, 7, 13, 23, 91, 161, 299, 2093, 37397, 261779, 486161, 860131, 3403127, 6020917, 11181703, 78271921]

約数ペア:

[(1, 78271921), (7, 11181703), (13, 6020917), (23, 3403127), (91, 860131), (161, 486161), (299, 261779), (2093, 37397)]