28778106

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{31}}^3$

素因数の和:128

約数の個数: 64

約数和(自身を含む): 70926336

約数和(自身を除く): 42148230

約数列:

[1, 2, 3, 6, 7, 14, 21, 23, 31, 42, 46, 62, 69, 93, 138, 161, 186, 217, 322, 434, 483, 651, 713, 961, 966, 1302, 1426, 1922, 2139, 2883, 4278, 4991, 5766, 6727, 9982, 13454, 14973, 20181, 22103, 29791, 29946, 40362, 44206, 59582, 66309, 89373, 132618, 154721, 178746, 208537, 309442, 417074, 464163, 625611, 685193, 928326, 1251222, 1370386, 2055579, 4111158, 4796351, 9592702, 14389053, 28778106]

約数ペア:

[(1, 28778106), (2, 14389053), (3, 9592702), (6, 4796351), (7, 4111158), (14, 2055579), (21, 1370386), (23, 1251222), (31, 928326), (42, 685193), (46, 625611), (62, 464163), (69, 417074), (93, 309442), (138, 208537), (161, 178746), (186, 154721), (217, 132618), (322, 89373), (434, 66309), (483, 59582), (651, 44206), (713, 40362), (961, 29946), (966, 29791), (1302, 22103), (1426, 20181), (1922, 14973), (2139, 13454), (2883, 9982), (4278, 6727), (4991, 5766)]