81691469

素因数分解:

${\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{131}}^1\times {\mathrm{1427}}^1$

素因数の和:1600

約数の個数: 16

約数和(自身を含む): 90478080

約数和(自身を除く): 8786611

約数列:

[1, 19, 23, 131, 437, 1427, 2489, 3013, 27113, 32821, 57247, 186937, 623599, 3551803, 4299551, 81691469]

約数ペア:

[(1, 81691469), (19, 4299551), (23, 3551803), (131, 623599), (437, 186937), (1427, 57247), (2489, 32821), (3013, 27113)]