219879926

素因数分解:

$2^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{123667}}^1$

素因数の和:123803

約数の個数: 16

約数和(自身を含む): 379908096

約数和(自身を除く): 160028170

約数列:

[1, 2, 7, 14, 127, 254, 889, 1778, 123667, 247334, 865669, 1731338, 15705709, 31411418, 109939963, 219879926]

約数ペア:

[(1, 219879926), (2, 109939963), (7, 31411418), (14, 15705709), (127, 1731338), (254, 865669), (889, 247334), (1778, 123667)]