257070816

素因数分解:

$2^5\times 3^2\times {\mathrm{23}}^1\times {\mathrm{197}}^2$

素因数の和:433

約数の個数: 108

約数和(自身を含む): 766721592

約数和(自身を除く): 509650776

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 23, 24, 32, 36, 46, 48, 69, 72, 92, 96, 138, 144, 184, 197, 207, 276, 288, 368, 394, 414, 552, 591, 736, 788, 828, 1104, 1182, 1576, 1656, 1773, 2208, 2364, 3152, 3312, 3546, 4531, 4728, 6304, 6624, 7092, 9062, 9456, 13593, 14184, 18124, 18912, 27186, 28368, 36248, 38809, 40779, 54372, 56736, 72496, 77618, 81558, 108744, 116427, 144992, 155236, 163116, 217488, 232854, 310472, 326232, 349281, 434976, 465708, 620944, 652464, 698562, 892607, 931416, 1241888, 1304928, 1397124, 1785214, 1862832, 2677821, 2794248, 3570428, 3725664, 5355642, 5588496, 7140856, 8033463, 10711284, 11176992, 14281712, 16066926, 21422568, 28563424, 32133852, 42845136, 64267704, 85690272, 128535408, 257070816]

約数ペア:

[(1, 257070816), (2, 128535408), (3, 85690272), (4, 64267704), (6, 42845136), (8, 32133852), (9, 28563424), (12, 21422568), (16, 16066926), (18, 14281712), (23, 11176992), (24, 10711284), (32, 8033463), (36, 7140856), (46, 5588496), (48, 5355642), (69, 3725664), (72, 3570428), (92, 2794248), (96, 2677821), (138, 1862832), (144, 1785214), (184, 1397124), (197, 1304928), (207, 1241888), (276, 931416), (288, 892607), (368, 698562), (394, 652464), (414, 620944), (552, 465708), (591, 434976), (736, 349281), (788, 326232), (828, 310472), (1104, 232854), (1182, 217488), (1576, 163116), (1656, 155236), (1773, 144992), (2208, 116427), (2364, 108744), (3152, 81558), (3312, 77618), (3546, 72496), (4531, 56736), (4728, 54372), (6304, 40779), (6624, 38809), (7092, 36248), (9062, 28368), (9456, 27186), (13593, 18912), (14184, 18124)]