161725538

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{263}}^1\times {\mathrm{353}}^1$

素因数の和:698

約数の個数: 32

約数和(自身を含む): 266910336

約数和(自身を除く): 105184798

約数列:

[1, 2, 13, 26, 67, 134, 263, 353, 526, 706, 871, 1742, 3419, 4589, 6838, 9178, 17621, 23651, 35242, 47302, 92839, 185678, 229073, 307463, 458146, 614926, 1206907, 2413814, 6220213, 12440426, 80862769, 161725538]

約数ペア:

[(1, 161725538), (2, 80862769), (13, 12440426), (26, 6220213), (67, 2413814), (134, 1206907), (263, 614926), (353, 458146), (526, 307463), (706, 229073), (871, 185678), (1742, 92839), (3419, 47302), (4589, 35242), (6838, 23651), (9178, 17621)]