27881294

素因数分解:

$2^1\times 7^2\times {\mathrm{293}}^1\times {\mathrm{971}}^1$

素因数の和:1280

約数の個数: 24

約数和(自身を含む): 48866328

約数和(自身を除く): 20985034

約数列:

[1, 2, 7, 14, 49, 98, 293, 586, 971, 1942, 2051, 4102, 6797, 13594, 14357, 28714, 47579, 95158, 284503, 569006, 1991521, 3983042, 13940647, 27881294]

約数ペア:

[(1, 27881294), (2, 13940647), (7, 3983042), (14, 1991521), (49, 569006), (98, 284503), (293, 95158), (586, 47579), (971, 28714), (1942, 14357), (2051, 13594), (4102, 6797)]