205451456

素因数分解:

$2^6\times 7^1\times {\mathrm{23}}^1\times {\mathrm{127}}^1\times {\mathrm{157}}^1$

素因数の和:326

約数の個数: 112

約数和(自身を含む): 493142016

約数和(自身を除く): 287690560

約数列:

[1, 2, 4, 7, 8, 14, 16, 23, 28, 32, 46, 56, 64, 92, 112, 127, 157, 161, 184, 224, 254, 314, 322, 368, 448, 508, 628, 644, 736, 889, 1016, 1099, 1256, 1288, 1472, 1778, 2032, 2198, 2512, 2576, 2921, 3556, 3611, 4064, 4396, 5024, 5152, 5842, 7112, 7222, 8128, 8792, 10048, 10304, 11684, 14224, 14444, 17584, 19939, 20447, 23368, 25277, 28448, 28888, 35168, 39878, 40894, 46736, 50554, 56896, 57776, 70336, 79756, 81788, 93472, 101108, 115552, 139573, 159512, 163576, 186944, 202216, 231104, 279146, 319024, 327152, 404432, 458597, 558292, 638048, 654304, 808864, 917194, 1116584, 1276096, 1308608, 1617728, 1834388, 2233168, 3210179, 3668776, 4466336, 6420358, 7337552, 8932672, 12840716, 14675104, 25681432, 29350208, 51362864, 102725728, 205451456]

約数ペア:

[(1, 205451456), (2, 102725728), (4, 51362864), (7, 29350208), (8, 25681432), (14, 14675104), (16, 12840716), (23, 8932672), (28, 7337552), (32, 6420358), (46, 4466336), (56, 3668776), (64, 3210179), (92, 2233168), (112, 1834388), (127, 1617728), (157, 1308608), (161, 1276096), (184, 1116584), (224, 917194), (254, 808864), (314, 654304), (322, 638048), (368, 558292), (448, 458597), (508, 404432), (628, 327152), (644, 319024), (736, 279146), (889, 231104), (1016, 202216), (1099, 186944), (1256, 163576), (1288, 159512), (1472, 139573), (1778, 115552), (2032, 101108), (2198, 93472), (2512, 81788), (2576, 79756), (2921, 70336), (3556, 57776), (3611, 56896), (4064, 50554), (4396, 46736), (5024, 40894), (5152, 39878), (5842, 35168), (7112, 28888), (7222, 28448), (8128, 25277), (8792, 23368), (10048, 20447), (10304, 19939), (11684, 17584), (14224, 14444)]