128791278

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{2161}}^1$

素因数の和:2230

約数の個数: 96

約数和(自身を含む): 356159232

約数和(自身を除く): 227367954

約数列:

[1, 2, 3, 6, 7, 9, 11, 14, 18, 21, 22, 33, 42, 43, 63, 66, 77, 86, 99, 126, 129, 154, 198, 231, 258, 301, 387, 462, 473, 602, 693, 774, 903, 946, 1386, 1419, 1806, 2161, 2709, 2838, 3311, 4257, 4322, 5418, 6483, 6622, 8514, 9933, 12966, 15127, 19449, 19866, 23771, 29799, 30254, 38898, 45381, 47542, 59598, 71313, 90762, 92923, 136143, 142626, 166397, 185846, 213939, 272286, 278769, 332794, 427878, 499191, 557538, 650461, 836307, 998382, 1022153, 1300922, 1497573, 1672614, 1951383, 2044306, 2995146, 3066459, 3902766, 5854149, 6132918, 7155071, 9199377, 11708298, 14310142, 18398754, 21465213, 42930426, 64395639, 128791278]

約数ペア:

[(1, 128791278), (2, 64395639), (3, 42930426), (6, 21465213), (7, 18398754), (9, 14310142), (11, 11708298), (14, 9199377), (18, 7155071), (21, 6132918), (22, 5854149), (33, 3902766), (42, 3066459), (43, 2995146), (63, 2044306), (66, 1951383), (77, 1672614), (86, 1497573), (99, 1300922), (126, 1022153), (129, 998382), (154, 836307), (198, 650461), (231, 557538), (258, 499191), (301, 427878), (387, 332794), (462, 278769), (473, 272286), (602, 213939), (693, 185846), (774, 166397), (903, 142626), (946, 136143), (1386, 92923), (1419, 90762), (1806, 71313), (2161, 59598), (2709, 47542), (2838, 45381), (3311, 38898), (4257, 30254), (4322, 29799), (5418, 23771), (6483, 19866), (6622, 19449), (8514, 15127), (9933, 12966)]