278320688

素因数分解:

$2^4\times {\mathrm{331}}^1\times {\mathrm{52553}}^1$

素因数の和:52892

約数の個数: 20

約数和(自身を含む): 540885768

約数和(自身を除く): 262565080

約数列:

[1, 2, 4, 8, 16, 331, 662, 1324, 2648, 5296, 52553, 105106, 210212, 420424, 840848, 17395043, 34790086, 69580172, 139160344, 278320688]

約数ペア:

[(1, 278320688), (2, 139160344), (4, 69580172), (8, 34790086), (16, 17395043), (331, 840848), (662, 420424), (1324, 210212), (2648, 105106), (5296, 52553)]