161017790

素因数分解:

$2^1\times 5^1\times {\mathrm{3221}}^1\times {\mathrm{4999}}^1$

素因数の和:8227

約数の個数: 16

約数和(自身を含む): 289980000

約数和(自身を除く): 128962210

約数列:

[1, 2, 5, 10, 3221, 4999, 6442, 9998, 16105, 24995, 32210, 49990, 16101779, 32203558, 80508895, 161017790]

約数ペア:

[(1, 161017790), (2, 80508895), (5, 32203558), (10, 16101779), (3221, 49990), (4999, 32210), (6442, 24995), (9998, 16105)]