278045296

素因数分解:

$2^4\times {\mathrm{331}}^1\times {\mathrm{52501}}^1$

素因数の和:52840

約数の個数: 20

約数和(自身を含む): 540350584

約数和(自身を除く): 262305288

約数列:

[1, 2, 4, 8, 16, 331, 662, 1324, 2648, 5296, 52501, 105002, 210004, 420008, 840016, 17377831, 34755662, 69511324, 139022648, 278045296]

約数ペア:

[(1, 278045296), (2, 139022648), (4, 69511324), (8, 34755662), (16, 17377831), (331, 840016), (662, 420008), (1324, 210004), (2648, 105002), (5296, 52501)]