221049838

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{81931}}^1$

素因数の和:82023

約数の個数: 16

約数和(自身を含む): 353946240

約数和(自身を除く): 132896402

約数列:

[1, 2, 19, 38, 71, 142, 1349, 2698, 81931, 163862, 1556689, 3113378, 5817101, 11634202, 110524919, 221049838]

約数ペア:

[(1, 221049838), (2, 110524919), (19, 11634202), (38, 5817101), (71, 3113378), (142, 1556689), (1349, 163862), (2698, 81931)]