128406905

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{109}}^1\times {\mathrm{21419}}^1$

素因数の和:21544

約数の個数: 16

約数和(自身を含む): 169646400

約数和(自身を除く): 41239495

約数列:

[1, 5, 11, 55, 109, 545, 1199, 5995, 21419, 107095, 235609, 1178045, 2334671, 11673355, 25681381, 128406905]

約数ペア:

[(1, 128406905), (5, 25681381), (11, 11673355), (55, 2334671), (109, 1178045), (545, 235609), (1199, 107095), (5995, 21419)]