51998128

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{503}}^1$

素因数の和:602

約数の個数: 80

約数和(自身を含む): 125991936

約数和(自身を除く): 73993808

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 56, 71, 91, 104, 112, 142, 182, 208, 284, 364, 497, 503, 568, 728, 923, 994, 1006, 1136, 1456, 1846, 1988, 2012, 3521, 3692, 3976, 4024, 6461, 6539, 7042, 7384, 7952, 8048, 12922, 13078, 14084, 14768, 25844, 26156, 28168, 35713, 45773, 51688, 52312, 56336, 71426, 91546, 103376, 104624, 142852, 183092, 249991, 285704, 366184, 464269, 499982, 571408, 732368, 928538, 999964, 1857076, 1999928, 3249883, 3714152, 3999856, 6499766, 7428304, 12999532, 25999064, 51998128]

約数ペア:

[(1, 51998128), (2, 25999064), (4, 12999532), (7, 7428304), (8, 6499766), (13, 3999856), (14, 3714152), (16, 3249883), (26, 1999928), (28, 1857076), (52, 999964), (56, 928538), (71, 732368), (91, 571408), (104, 499982), (112, 464269), (142, 366184), (182, 285704), (208, 249991), (284, 183092), (364, 142852), (497, 104624), (503, 103376), (568, 91546), (728, 71426), (923, 56336), (994, 52312), (1006, 51688), (1136, 45773), (1456, 35713), (1846, 28168), (1988, 26156), (2012, 25844), (3521, 14768), (3692, 14084), (3976, 13078), (4024, 12922), (6461, 8048), (6539, 7952), (7042, 7384)]