280032788

素因数分解:

$2^2\times 7^1\times {\mathrm{41}}^1\times {\mathrm{243931}}^1$

素因数の和:243983

約数の個数: 24

約数和(自身を含む): 573728064

約数和(自身を除く): 293695276

約数列:

[1, 2, 4, 7, 14, 28, 41, 82, 164, 287, 574, 1148, 243931, 487862, 975724, 1707517, 3415034, 6830068, 10001171, 20002342, 40004684, 70008197, 140016394, 280032788]

約数ペア:

[(1, 280032788), (2, 140016394), (4, 70008197), (7, 40004684), (14, 20002342), (28, 10001171), (41, 6830068), (82, 3415034), (164, 1707517), (287, 975724), (574, 487862), (1148, 243931)]