639649536

素因数分解:

$2^8\times 3^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{401}}^1$

素因数の和:518

約数の個数: 144

約数和(自身を含む): 1787993088

約数和(自身を除く): 1148343552

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 31, 32, 48, 62, 64, 67, 93, 96, 124, 128, 134, 186, 192, 201, 248, 256, 268, 372, 384, 401, 402, 496, 536, 744, 768, 802, 804, 992, 1072, 1203, 1488, 1604, 1608, 1984, 2077, 2144, 2406, 2976, 3208, 3216, 3968, 4154, 4288, 4812, 5952, 6231, 6416, 6432, 7936, 8308, 8576, 9624, 11904, 12431, 12462, 12832, 12864, 16616, 17152, 19248, 23808, 24862, 24924, 25664, 25728, 26867, 33232, 37293, 38496, 49724, 49848, 51328, 51456, 53734, 66464, 74586, 76992, 80601, 99448, 99696, 102656, 107468, 132928, 149172, 153984, 161202, 198896, 199392, 214936, 265856, 298344, 307968, 322404, 397792, 398784, 429872, 531712, 596688, 644808, 795584, 797568, 832877, 859744, 1193376, 1289616, 1591168, 1595136, 1665754, 1719488, 2386752, 2498631, 2579232, 3182336, 3331508, 3438976, 4773504, 4997262, 5158464, 6663016, 6877952, 9547008, 9994524, 10316928, 13326032, 19989048, 20633856, 26652064, 39978096, 53304128, 79956192, 106608256, 159912384, 213216512, 319824768, 639649536]

約数ペア:

[(1, 639649536), (2, 319824768), (3, 213216512), (4, 159912384), (6, 106608256), (8, 79956192), (12, 53304128), (16, 39978096), (24, 26652064), (31, 20633856), (32, 19989048), (48, 13326032), (62, 10316928), (64, 9994524), (67, 9547008), (93, 6877952), (96, 6663016), (124, 5158464), (128, 4997262), (134, 4773504), (186, 3438976), (192, 3331508), (201, 3182336), (248, 2579232), (256, 2498631), (268, 2386752), (372, 1719488), (384, 1665754), (401, 1595136), (402, 1591168), (496, 1289616), (536, 1193376), (744, 859744), (768, 832877), (802, 797568), (804, 795584), (992, 644808), (1072, 596688), (1203, 531712), (1488, 429872), (1604, 398784), (1608, 397792), (1984, 322404), (2077, 307968), (2144, 298344), (2406, 265856), (2976, 214936), (3208, 199392), (3216, 198896), (3968, 161202), (4154, 153984), (4288, 149172), (4812, 132928), (5952, 107468), (6231, 102656), (6416, 99696), (6432, 99448), (7936, 80601), (8308, 76992), (8576, 74586), (9624, 66464), (11904, 53734), (12431, 51456), (12462, 51328), (12832, 49848), (12864, 49724), (16616, 38496), (17152, 37293), (19248, 33232), (23808, 26867), (24862, 25728), (24924, 25664)]