28512456

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{157}}^1$

素因数の和:243

約数の個数: 128

約数和(自身を含む): 87367680

約数和(自身を除く): 58855224

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 23, 24, 28, 42, 46, 47, 56, 69, 84, 92, 94, 138, 141, 157, 161, 168, 184, 188, 276, 282, 314, 322, 329, 376, 471, 483, 552, 564, 628, 644, 658, 942, 966, 987, 1081, 1099, 1128, 1256, 1288, 1316, 1884, 1932, 1974, 2162, 2198, 2632, 3243, 3297, 3611, 3768, 3864, 3948, 4324, 4396, 6486, 6594, 7222, 7379, 7567, 7896, 8648, 8792, 10833, 12972, 13188, 14444, 14758, 15134, 21666, 22137, 22701, 25277, 25944, 26376, 28888, 29516, 30268, 43332, 44274, 45402, 50554, 51653, 59032, 60536, 75831, 86664, 88548, 90804, 101108, 103306, 151662, 154959, 169717, 177096, 181608, 202216, 206612, 303324, 309918, 339434, 413224, 509151, 606648, 619836, 678868, 1018302, 1188019, 1239672, 1357736, 2036604, 2376038, 3564057, 4073208, 4752076, 7128114, 9504152, 14256228, 28512456]

約数ペア:

[(1, 28512456), (2, 14256228), (3, 9504152), (4, 7128114), (6, 4752076), (7, 4073208), (8, 3564057), (12, 2376038), (14, 2036604), (21, 1357736), (23, 1239672), (24, 1188019), (28, 1018302), (42, 678868), (46, 619836), (47, 606648), (56, 509151), (69, 413224), (84, 339434), (92, 309918), (94, 303324), (138, 206612), (141, 202216), (157, 181608), (161, 177096), (168, 169717), (184, 154959), (188, 151662), (276, 103306), (282, 101108), (314, 90804), (322, 88548), (329, 86664), (376, 75831), (471, 60536), (483, 59032), (552, 51653), (564, 50554), (628, 45402), (644, 44274), (658, 43332), (942, 30268), (966, 29516), (987, 28888), (1081, 26376), (1099, 25944), (1128, 25277), (1256, 22701), (1288, 22137), (1316, 21666), (1884, 15134), (1932, 14758), (1974, 14444), (2162, 13188), (2198, 12972), (2632, 10833), (3243, 8792), (3297, 8648), (3611, 7896), (3768, 7567), (3864, 7379), (3948, 7222), (4324, 6594), (4396, 6486)]