81578868

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{971177}}^1$

素因数の和:971191

約数の個数: 24

約数和(自身を含む): 217543872

約数和(自身を除く): 135965004

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 971177, 1942354, 2913531, 3884708, 5827062, 6798239, 11654124, 13596478, 20394717, 27192956, 40789434, 81578868]

約数ペア:

[(1, 81578868), (2, 40789434), (3, 27192956), (4, 20394717), (6, 13596478), (7, 11654124), (12, 6798239), (14, 5827062), (21, 3884708), (28, 2913531), (42, 1942354), (84, 971177)]