1397503744

素因数分解:

$2^8\times 7^1\times {\mathrm{13}}^1\times {\mathrm{239}}^1\times {\mathrm{251}}^1$

素因数の和:526

約数の個数: 144

約数和(自身を含む): 3461391360

約数和(自身を除く): 2063887616

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 32, 52, 56, 64, 91, 104, 112, 128, 182, 208, 224, 239, 251, 256, 364, 416, 448, 478, 502, 728, 832, 896, 956, 1004, 1456, 1664, 1673, 1757, 1792, 1912, 2008, 2912, 3107, 3263, 3328, 3346, 3514, 3824, 4016, 5824, 6214, 6526, 6692, 7028, 7648, 8032, 11648, 12428, 13052, 13384, 14056, 15296, 16064, 21749, 22841, 23296, 24856, 26104, 26768, 28112, 30592, 32128, 43498, 45682, 49712, 52208, 53536, 56224, 59989, 61184, 64256, 86996, 91364, 99424, 104416, 107072, 112448, 119978, 173992, 182728, 198848, 208832, 214144, 224896, 239956, 347984, 365456, 397696, 417664, 419923, 428288, 449792, 479912, 695968, 730912, 779857, 795392, 835328, 839846, 959824, 1391936, 1461824, 1559714, 1679692, 1919648, 2783872, 2923648, 3119428, 3359384, 3839296, 5458999, 5567744, 5847296, 6238856, 6718768, 7678592, 10917998, 12477712, 13437536, 15357184, 21835996, 24955424, 26875072, 43671992, 49910848, 53750144, 87343984, 99821696, 107500288, 174687968, 199643392, 349375936, 698751872, 1397503744]

約数ペア:

[(1, 1397503744), (2, 698751872), (4, 349375936), (7, 199643392), (8, 174687968), (13, 107500288), (14, 99821696), (16, 87343984), (26, 53750144), (28, 49910848), (32, 43671992), (52, 26875072), (56, 24955424), (64, 21835996), (91, 15357184), (104, 13437536), (112, 12477712), (128, 10917998), (182, 7678592), (208, 6718768), (224, 6238856), (239, 5847296), (251, 5567744), (256, 5458999), (364, 3839296), (416, 3359384), (448, 3119428), (478, 2923648), (502, 2783872), (728, 1919648), (832, 1679692), (896, 1559714), (956, 1461824), (1004, 1391936), (1456, 959824), (1664, 839846), (1673, 835328), (1757, 795392), (1792, 779857), (1912, 730912), (2008, 695968), (2912, 479912), (3107, 449792), (3263, 428288), (3328, 419923), (3346, 417664), (3514, 397696), (3824, 365456), (4016, 347984), (5824, 239956), (6214, 224896), (6526, 214144), (6692, 208832), (7028, 198848), (7648, 182728), (8032, 173992), (11648, 119978), (12428, 112448), (13052, 107072), (13384, 104416), (14056, 99424), (15296, 91364), (16064, 86996), (21749, 64256), (22841, 61184), (23296, 59989), (24856, 56224), (26104, 53536), (26768, 52208), (28112, 49712), (30592, 45682), (32128, 43498)]