247758784

素因数分解:

$2^6\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{2239}}^1$

素因数の和:2290

約数の個数: 112

約数和(自身を含む): 637235200

約数和(自身を除く): 389476416

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 19, 26, 28, 32, 38, 52, 56, 64, 76, 91, 104, 112, 133, 152, 182, 208, 224, 247, 266, 304, 364, 416, 448, 494, 532, 608, 728, 832, 988, 1064, 1216, 1456, 1729, 1976, 2128, 2239, 2912, 3458, 3952, 4256, 4478, 5824, 6916, 7904, 8512, 8956, 13832, 15673, 15808, 17912, 27664, 29107, 31346, 35824, 42541, 55328, 58214, 62692, 71648, 85082, 110656, 116428, 125384, 143296, 170164, 203749, 232856, 250768, 297787, 340328, 407498, 465712, 501536, 553033, 595574, 680656, 814996, 931424, 1003072, 1106066, 1191148, 1361312, 1629992, 1862848, 2212132, 2382296, 2722624, 3259984, 3871231, 4424264, 4764592, 6519968, 7742462, 8848528, 9529184, 13039936, 15484924, 17697056, 19058368, 30969848, 35394112, 61939696, 123879392, 247758784]

約数ペア:

[(1, 247758784), (2, 123879392), (4, 61939696), (7, 35394112), (8, 30969848), (13, 19058368), (14, 17697056), (16, 15484924), (19, 13039936), (26, 9529184), (28, 8848528), (32, 7742462), (38, 6519968), (52, 4764592), (56, 4424264), (64, 3871231), (76, 3259984), (91, 2722624), (104, 2382296), (112, 2212132), (133, 1862848), (152, 1629992), (182, 1361312), (208, 1191148), (224, 1106066), (247, 1003072), (266, 931424), (304, 814996), (364, 680656), (416, 595574), (448, 553033), (494, 501536), (532, 465712), (608, 407498), (728, 340328), (832, 297787), (988, 250768), (1064, 232856), (1216, 203749), (1456, 170164), (1729, 143296), (1976, 125384), (2128, 116428), (2239, 110656), (2912, 85082), (3458, 71648), (3952, 62692), (4256, 58214), (4478, 55328), (5824, 42541), (6916, 35824), (7904, 31346), (8512, 29107), (8956, 27664), (13832, 17912), (15673, 15808)]