128674328

素因数分解:

$2^3\times {\mathrm{23}}^1\times {\mathrm{263}}^1\times {\mathrm{2659}}^1$

素因数の和:2951

約数の個数: 32

約数和(自身を含む): 252806400

約数和(自身を除く): 124132072

約数列:

[1, 2, 4, 8, 23, 46, 92, 184, 263, 526, 1052, 2104, 2659, 5318, 6049, 10636, 12098, 21272, 24196, 48392, 61157, 122314, 244628, 489256, 699317, 1398634, 2797268, 5594536, 16084291, 32168582, 64337164, 128674328]

約数ペア:

[(1, 128674328), (2, 64337164), (4, 32168582), (8, 16084291), (23, 5594536), (46, 2797268), (92, 1398634), (184, 699317), (263, 489256), (526, 244628), (1052, 122314), (2104, 61157), (2659, 48392), (5318, 24196), (6049, 21272), (10636, 12098)]