81036872

素因数分解:

$2^3\times 7^1\times {\mathrm{509}}^1\times {\mathrm{2843}}^1$

素因数の和:3365

約数の個数: 32

約数和(自身を含む): 174052800

約数和(自身を除く): 93015928

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 509, 1018, 2036, 2843, 3563, 4072, 5686, 7126, 11372, 14252, 19901, 22744, 28504, 39802, 79604, 159208, 1447087, 2894174, 5788348, 10129609, 11576696, 20259218, 40518436, 81036872]

約数ペア:

[(1, 81036872), (2, 40518436), (4, 20259218), (7, 11576696), (8, 10129609), (14, 5788348), (28, 2894174), (56, 1447087), (509, 159208), (1018, 79604), (2036, 39802), (2843, 28504), (3563, 22744), (4072, 19901), (5686, 14252), (7126, 11372)]