81014542

素因数分解:

$2^1\times 7^4\times {\mathrm{16871}}^1$

素因数の和:16901

約数の個数: 20

約数和(自身を含む): 141775416

約数和(自身を除く): 60760874

約数列:

[1, 2, 7, 14, 49, 98, 343, 686, 2401, 4802, 16871, 33742, 118097, 236194, 826679, 1653358, 5786753, 11573506, 40507271, 81014542]

約数ペア:

[(1, 81014542), (2, 40507271), (7, 11573506), (14, 5786753), (49, 1653358), (98, 826679), (343, 236194), (686, 118097), (2401, 33742), (4802, 16871)]