215549848

素因数分解:

$2^3\times {\mathrm{331}}^1\times {\mathrm{81401}}^1$

素因数の和:81738

約数の個数: 16

約数和(自身を含む): 405381960

約数和(自身を除く): 189832112

約数列:

[1, 2, 4, 8, 331, 662, 1324, 2648, 81401, 162802, 325604, 651208, 26943731, 53887462, 107774924, 215549848]

約数ペア:

[(1, 215549848), (2, 107774924), (4, 53887462), (8, 26943731), (331, 651208), (662, 325604), (1324, 162802), (2648, 81401)]