256269804544

素因数分解:

$2^{10}\times {\mathrm{13}}^2\times {\mathrm{197}}^1\times {\mathrm{7517}}^1$

素因数の和:7760

約数の個数: 132

約数和(自身を含む): 557617562964

約数和(自身を除く): 301347758420

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 128, 169, 197, 208, 256, 338, 394, 416, 512, 676, 788, 832, 1024, 1352, 1576, 1664, 2561, 2704, 3152, 3328, 5122, 5408, 6304, 6656, 7517, 10244, 10816, 12608, 13312, 15034, 20488, 21632, 25216, 30068, 33293, 40976, 43264, 50432, 60136, 66586, 81952, 86528, 97721, 100864, 120272, 133172, 163904, 173056, 195442, 201728, 240544, 266344, 327808, 390884, 481088, 532688, 655616, 781768, 962176, 1065376, 1270373, 1311232, 1480849, 1563536, 1924352, 2130752, 2540746, 2622464, 2961698, 3127072, 3848704, 4261504, 5081492, 5923396, 6254144, 7697408, 8523008, 10162984, 11846792, 12508288, 17046016, 19251037, 20325968, 23693584, 25016576, 34092032, 38502074, 40651936, 47387168, 50033152, 77004148, 81303872, 94774336, 100066304, 154008296, 162607744, 189548672, 250263481, 308016592, 325215488, 379097344, 500526962, 616033184, 650430976, 758194688, 1001053924, 1232066368, 1300861952, 1516389376, 2002107848, 2464132736, 4004215696, 4928265472, 8008431392, 9856530944, 16016862784, 19713061888, 32033725568, 64067451136, 128134902272, 256269804544]

約数ペア:

[(1, 256269804544), (2, 128134902272), (4, 64067451136), (8, 32033725568), (13, 19713061888), (16, 16016862784), (26, 9856530944), (32, 8008431392), (52, 4928265472), (64, 4004215696), (104, 2464132736), (128, 2002107848), (169, 1516389376), (197, 1300861952), (208, 1232066368), (256, 1001053924), (338, 758194688), (394, 650430976), (416, 616033184), (512, 500526962), (676, 379097344), (788, 325215488), (832, 308016592), (1024, 250263481), (1352, 189548672), (1576, 162607744), (1664, 154008296), (2561, 100066304), (2704, 94774336), (3152, 81303872), (3328, 77004148), (5122, 50033152), (5408, 47387168), (6304, 40651936), (6656, 38502074), (7517, 34092032), (10244, 25016576), (10816, 23693584), (12608, 20325968), (13312, 19251037), (15034, 17046016), (20488, 12508288), (21632, 11846792), (25216, 10162984), (30068, 8523008), (33293, 7697408), (40976, 6254144), (43264, 5923396), (50432, 5081492), (60136, 4261504), (66586, 3848704), (81952, 3127072), (86528, 2961698), (97721, 2622464), (100864, 2540746), (120272, 2130752), (133172, 1924352), (163904, 1563536), (173056, 1480849), (195442, 1311232), (201728, 1270373), (240544, 1065376), (266344, 962176), (327808, 781768), (390884, 655616), (481088, 532688)]