28417704

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{59}}^1\times {\mathrm{61}}^1$

素因数の和:183

約数の個数: 128

約数和(自身を含む): 85708800

約数和(自身を除く): 57291096

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 47, 56, 59, 61, 84, 94, 118, 122, 141, 168, 177, 183, 188, 236, 244, 282, 329, 354, 366, 376, 413, 427, 472, 488, 564, 658, 708, 732, 826, 854, 987, 1128, 1239, 1281, 1316, 1416, 1464, 1652, 1708, 1974, 2478, 2562, 2632, 2773, 2867, 3304, 3416, 3599, 3948, 4956, 5124, 5546, 5734, 7198, 7896, 8319, 8601, 9912, 10248, 10797, 11092, 11468, 14396, 16638, 17202, 19411, 20069, 21594, 22184, 22936, 25193, 28792, 33276, 34404, 38822, 40138, 43188, 50386, 58233, 60207, 66552, 68808, 75579, 77644, 80276, 86376, 100772, 116466, 120414, 151158, 155288, 160552, 169153, 201544, 232932, 240828, 302316, 338306, 465864, 481656, 507459, 604632, 676612, 1014918, 1184071, 1353224, 2029836, 2368142, 3552213, 4059672, 4736284, 7104426, 9472568, 14208852, 28417704]

約数ペア:

[(1, 28417704), (2, 14208852), (3, 9472568), (4, 7104426), (6, 4736284), (7, 4059672), (8, 3552213), (12, 2368142), (14, 2029836), (21, 1353224), (24, 1184071), (28, 1014918), (42, 676612), (47, 604632), (56, 507459), (59, 481656), (61, 465864), (84, 338306), (94, 302316), (118, 240828), (122, 232932), (141, 201544), (168, 169153), (177, 160552), (183, 155288), (188, 151158), (236, 120414), (244, 116466), (282, 100772), (329, 86376), (354, 80276), (366, 77644), (376, 75579), (413, 68808), (427, 66552), (472, 60207), (488, 58233), (564, 50386), (658, 43188), (708, 40138), (732, 38822), (826, 34404), (854, 33276), (987, 28792), (1128, 25193), (1239, 22936), (1281, 22184), (1316, 21594), (1416, 20069), (1464, 19411), (1652, 17202), (1708, 16638), (1974, 14396), (2478, 11468), (2562, 11092), (2632, 10797), (2773, 10248), (2867, 9912), (3304, 8601), (3416, 8319), (3599, 7896), (3948, 7198), (4956, 5734), (5124, 5546)]