205504208

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{157}}^1$

素因数の和:245

約数の個数: 160

約数和(自身を含む): 526632960

約数和(自身を除く): 321128752

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 29, 31, 52, 56, 58, 62, 91, 104, 112, 116, 124, 157, 182, 203, 208, 217, 232, 248, 314, 364, 377, 403, 406, 434, 464, 496, 628, 728, 754, 806, 812, 868, 899, 1099, 1256, 1456, 1508, 1612, 1624, 1736, 1798, 2041, 2198, 2512, 2639, 2821, 3016, 3224, 3248, 3472, 3596, 4082, 4396, 4553, 4867, 5278, 5642, 6032, 6293, 6448, 7192, 8164, 8792, 9106, 9734, 10556, 11284, 11687, 12586, 14287, 14384, 16328, 17584, 18212, 19468, 21112, 22568, 23374, 25172, 28574, 31871, 32656, 34069, 36424, 38936, 42224, 45136, 46748, 50344, 57148, 59189, 63271, 63742, 68138, 72848, 77872, 81809, 93496, 100688, 114296, 118378, 126542, 127484, 136276, 141143, 163618, 186992, 228592, 236756, 253084, 254968, 272552, 282286, 327236, 414323, 442897, 473512, 506168, 509936, 545104, 564572, 654472, 828646, 885794, 947024, 988001, 1012336, 1129144, 1308944, 1657292, 1771588, 1834859, 1976002, 2258288, 3314584, 3543176, 3669718, 3952004, 6629168, 7086352, 7339436, 7904008, 12844013, 14678872, 15808016, 25688026, 29357744, 51376052, 102752104, 205504208]

約数ペア:

[(1, 205504208), (2, 102752104), (4, 51376052), (7, 29357744), (8, 25688026), (13, 15808016), (14, 14678872), (16, 12844013), (26, 7904008), (28, 7339436), (29, 7086352), (31, 6629168), (52, 3952004), (56, 3669718), (58, 3543176), (62, 3314584), (91, 2258288), (104, 1976002), (112, 1834859), (116, 1771588), (124, 1657292), (157, 1308944), (182, 1129144), (203, 1012336), (208, 988001), (217, 947024), (232, 885794), (248, 828646), (314, 654472), (364, 564572), (377, 545104), (403, 509936), (406, 506168), (434, 473512), (464, 442897), (496, 414323), (628, 327236), (728, 282286), (754, 272552), (806, 254968), (812, 253084), (868, 236756), (899, 228592), (1099, 186992), (1256, 163618), (1456, 141143), (1508, 136276), (1612, 127484), (1624, 126542), (1736, 118378), (1798, 114296), (2041, 100688), (2198, 93496), (2512, 81809), (2639, 77872), (2821, 72848), (3016, 68138), (3224, 63742), (3248, 63271), (3472, 59189), (3596, 57148), (4082, 50344), (4396, 46748), (4553, 45136), (4867, 42224), (5278, 38936), (5642, 36424), (6032, 34069), (6293, 32656), (6448, 31871), (7192, 28574), (8164, 25172), (8792, 23374), (9106, 22568), (9734, 21112), (10556, 19468), (11284, 18212), (11687, 17584), (12586, 16328), (14287, 14384)]