221454376

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{193}}^1$

素因数の和:299

約数の個数: 128

約数和(自身を含む): 527990400

約数和(自身を除く): 306536024

約数列:

[1, 2, 4, 8, 11, 13, 17, 22, 26, 34, 44, 52, 59, 68, 88, 104, 118, 136, 143, 187, 193, 221, 236, 286, 374, 386, 442, 472, 572, 649, 748, 767, 772, 884, 1003, 1144, 1298, 1496, 1534, 1544, 1768, 2006, 2123, 2431, 2509, 2596, 3068, 3281, 4012, 4246, 4862, 5018, 5192, 6136, 6562, 8024, 8437, 8492, 9724, 10036, 11033, 11387, 13039, 13124, 16874, 16984, 19448, 20072, 22066, 22774, 26078, 26248, 27599, 33748, 36091, 42653, 44132, 45548, 52156, 55198, 67496, 72182, 85306, 88264, 91096, 104312, 110396, 125257, 143429, 144364, 148031, 170612, 193579, 220792, 250514, 286858, 288728, 296062, 341224, 387158, 469183, 501028, 573716, 592124, 774316, 938366, 1002056, 1147432, 1184248, 1548632, 1628341, 1876732, 2129369, 2516527, 3256682, 3753464, 4258738, 5033054, 6513364, 8517476, 10066108, 13026728, 17034952, 20132216, 27681797, 55363594, 110727188, 221454376]

約数ペア:

[(1, 221454376), (2, 110727188), (4, 55363594), (8, 27681797), (11, 20132216), (13, 17034952), (17, 13026728), (22, 10066108), (26, 8517476), (34, 6513364), (44, 5033054), (52, 4258738), (59, 3753464), (68, 3256682), (88, 2516527), (104, 2129369), (118, 1876732), (136, 1628341), (143, 1548632), (187, 1184248), (193, 1147432), (221, 1002056), (236, 938366), (286, 774316), (374, 592124), (386, 573716), (442, 501028), (472, 469183), (572, 387158), (649, 341224), (748, 296062), (767, 288728), (772, 286858), (884, 250514), (1003, 220792), (1144, 193579), (1298, 170612), (1496, 148031), (1534, 144364), (1544, 143429), (1768, 125257), (2006, 110396), (2123, 104312), (2431, 91096), (2509, 88264), (2596, 85306), (3068, 72182), (3281, 67496), (4012, 55198), (4246, 52156), (4862, 45548), (5018, 44132), (5192, 42653), (6136, 36091), (6562, 33748), (8024, 27599), (8437, 26248), (8492, 26078), (9724, 22774), (10036, 22066), (11033, 20072), (11387, 19448), (13039, 16984), (13124, 16874)]