221806

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{449}}^1$

素因数の和:483

約数の個数: 16

約数和(自身を含む): 378000

約数和(自身を除く): 156194

約数列:

[1, 2, 13, 19, 26, 38, 247, 449, 494, 898, 5837, 8531, 11674, 17062, 110903, 221806]

約数ペア:

[(1, 221806), (2, 110903), (13, 17062), (19, 11674), (26, 8531), (38, 5837), (247, 898), (449, 494)]