216912556

素因数分解:

$2^2\times 7^1\times {\mathrm{59}}^1\times {\mathrm{131303}}^1$

素因数の和:131373

約数の個数: 24

約数和(自身を含む): 441181440

約数和(自身を除く): 224268884

約数列:

[1, 2, 4, 7, 14, 28, 59, 118, 236, 413, 826, 1652, 131303, 262606, 525212, 919121, 1838242, 3676484, 7746877, 15493754, 30987508, 54228139, 108456278, 216912556]

約数ペア:

[(1, 216912556), (2, 108456278), (4, 54228139), (7, 30987508), (14, 15493754), (28, 7746877), (59, 3676484), (118, 1838242), (236, 919121), (413, 525212), (826, 262606), (1652, 131303)]