25707864

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{149}}^1$

素因数の和:257

約数の個数: 128

約数和(自身を含む): 80640000

約数和(自身を除く): 54932136

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 13, 14, 21, 24, 26, 28, 39, 42, 52, 56, 78, 79, 84, 91, 104, 149, 156, 158, 168, 182, 237, 273, 298, 312, 316, 364, 447, 474, 546, 553, 596, 632, 728, 894, 948, 1027, 1043, 1092, 1106, 1192, 1659, 1788, 1896, 1937, 2054, 2086, 2184, 2212, 3081, 3129, 3318, 3576, 3874, 4108, 4172, 4424, 5811, 6162, 6258, 6636, 7189, 7748, 8216, 8344, 11622, 11771, 12324, 12516, 13272, 13559, 14378, 15496, 21567, 23244, 23542, 24648, 25032, 27118, 28756, 35313, 40677, 43134, 46488, 47084, 54236, 57512, 70626, 81354, 82397, 86268, 94168, 108472, 141252, 153023, 162708, 164794, 172536, 247191, 282504, 306046, 325416, 329588, 459069, 494382, 612092, 659176, 918138, 988764, 1071161, 1224184, 1836276, 1977528, 2142322, 3213483, 3672552, 4284644, 6426966, 8569288, 12853932, 25707864]

約数ペア:

[(1, 25707864), (2, 12853932), (3, 8569288), (4, 6426966), (6, 4284644), (7, 3672552), (8, 3213483), (12, 2142322), (13, 1977528), (14, 1836276), (21, 1224184), (24, 1071161), (26, 988764), (28, 918138), (39, 659176), (42, 612092), (52, 494382), (56, 459069), (78, 329588), (79, 325416), (84, 306046), (91, 282504), (104, 247191), (149, 172536), (156, 164794), (158, 162708), (168, 153023), (182, 141252), (237, 108472), (273, 94168), (298, 86268), (312, 82397), (316, 81354), (364, 70626), (447, 57512), (474, 54236), (546, 47084), (553, 46488), (596, 43134), (632, 40677), (728, 35313), (894, 28756), (948, 27118), (1027, 25032), (1043, 24648), (1092, 23542), (1106, 23244), (1192, 21567), (1659, 15496), (1788, 14378), (1896, 13559), (1937, 13272), (2054, 12516), (2086, 12324), (2184, 11771), (2212, 11622), (3081, 8344), (3129, 8216), (3318, 7748), (3576, 7189), (3874, 6636), (4108, 6258), (4172, 6162), (4424, 5811)]