213218

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{181}}^1$

素因数の和:233

約数の個数: 16

約数和(自身を含む): 349440

約数和(自身を除く): 136222

約数列:

[1, 2, 19, 31, 38, 62, 181, 362, 589, 1178, 3439, 5611, 6878, 11222, 106609, 213218]

約数ペア:

[(1, 213218), (2, 106609), (19, 11222), (31, 6878), (38, 5611), (62, 3439), (181, 1178), (362, 589)]