81689048

素因数分解:

$2^3\times 7^1\times {\mathrm{563}}^1\times {\mathrm{2591}}^1$

素因数の和:3167

約数の個数: 32

約数和(自身を含む): 175426560

約数和(自身を除く): 93737512

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 563, 1126, 2252, 2591, 3941, 4504, 5182, 7882, 10364, 15764, 18137, 20728, 31528, 36274, 72548, 145096, 1458733, 2917466, 5834932, 10211131, 11669864, 20422262, 40844524, 81689048]

約数ペア:

[(1, 81689048), (2, 40844524), (4, 20422262), (7, 11669864), (8, 10211131), (14, 5834932), (28, 2917466), (56, 1458733), (563, 145096), (1126, 72548), (2252, 36274), (2591, 31528), (3941, 20728), (4504, 18137), (5182, 15764), (7882, 10364)]