219972382

素因数分解:

$2^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{123719}}^1$

素因数の和:123855

約数の個数: 16

約数和(自身を含む): 380067840

約数和(自身を除く): 160095458

約数列:

[1, 2, 7, 14, 127, 254, 889, 1778, 123719, 247438, 866033, 1732066, 15712313, 31424626, 109986191, 219972382]

約数ペア:

[(1, 219972382), (2, 109986191), (7, 31424626), (14, 15712313), (127, 1732066), (254, 866033), (889, 247438), (1778, 123719)]