67697890

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{17957}}^1$

素因数の和:18006

約数の個数: 32

約数和(自身を含む): 135762480

約数和(自身を除く): 68064590

約数列:

[1, 2, 5, 10, 13, 26, 29, 58, 65, 130, 145, 290, 377, 754, 1885, 3770, 17957, 35914, 89785, 179570, 233441, 466882, 520753, 1041506, 1167205, 2334410, 2603765, 5207530, 6769789, 13539578, 33848945, 67697890]

約数ペア:

[(1, 67697890), (2, 33848945), (5, 13539578), (10, 6769789), (13, 5207530), (26, 2603765), (29, 2334410), (58, 1167205), (65, 1041506), (130, 520753), (145, 466882), (290, 233441), (377, 179570), (754, 89785), (1885, 35914), (3770, 17957)]