81668868

素因数分解:

$2^2\times 3^1\times {\mathrm{43}}^1\times {\mathrm{163}}^1\times {\mathrm{971}}^1$

素因数の和:1184

約数の個数: 48

約数和(自身を含む): 196390656

約数和(自身を除く): 114721788

約数列:

[1, 2, 3, 4, 6, 12, 43, 86, 129, 163, 172, 258, 326, 489, 516, 652, 971, 978, 1942, 1956, 2913, 3884, 5826, 7009, 11652, 14018, 21027, 28036, 41753, 42054, 83506, 84108, 125259, 158273, 167012, 250518, 316546, 474819, 501036, 633092, 949638, 1899276, 6805739, 13611478, 20417217, 27222956, 40834434, 81668868]

約数ペア:

[(1, 81668868), (2, 40834434), (3, 27222956), (4, 20417217), (6, 13611478), (12, 6805739), (43, 1899276), (86, 949638), (129, 633092), (163, 501036), (172, 474819), (258, 316546), (326, 250518), (489, 167012), (516, 158273), (652, 125259), (971, 84108), (978, 83506), (1942, 42054), (1956, 41753), (2913, 28036), (3884, 21027), (5826, 14018), (7009, 11652)]