128468390

素因数分解:

$2^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{157}}^1\times {\mathrm{1741}}^1$

素因数の和:1952

約数の個数: 32

約数和(自身を含む): 237803904

約数和(自身を除く): 109335514

約数列:

[1, 2, 5, 10, 47, 94, 157, 235, 314, 470, 785, 1570, 1741, 3482, 7379, 8705, 14758, 17410, 36895, 73790, 81827, 163654, 273337, 409135, 546674, 818270, 1366685, 2733370, 12846839, 25693678, 64234195, 128468390]

約数ペア:

[(1, 128468390), (2, 64234195), (5, 25693678), (10, 12846839), (47, 2733370), (94, 1366685), (157, 818270), (235, 546674), (314, 409135), (470, 273337), (785, 163654), (1570, 81827), (1741, 73790), (3482, 36895), (7379, 17410), (8705, 14758)]