220121734

素因数分解:

$2^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{123803}}^1$

素因数の和:123939

約数の個数: 16

約数和(自身を含む): 380325888

約数和(自身を除く): 160204154

約数列:

[1, 2, 7, 14, 127, 254, 889, 1778, 123803, 247606, 866621, 1733242, 15722981, 31445962, 110060867, 220121734]

約数ペア:

[(1, 220121734), (2, 110060867), (7, 31445962), (14, 15722981), (127, 1733242), (254, 866621), (889, 247606), (1778, 123803)]