664653808

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{269}}^1\times {\mathrm{1697}}^1$

素因数の和:1994

約数の個数: 80

約数和(自身を含む): 1591773120

約数和(自身を除く): 927119312

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 56, 91, 104, 112, 182, 208, 269, 364, 538, 728, 1076, 1456, 1697, 1883, 2152, 3394, 3497, 3766, 4304, 6788, 6994, 7532, 11879, 13576, 13988, 15064, 22061, 23758, 24479, 27152, 27976, 30128, 44122, 47516, 48958, 55952, 88244, 95032, 97916, 154427, 176488, 190064, 195832, 308854, 352976, 391664, 456493, 617708, 912986, 1235416, 1825972, 2470832, 3195451, 3651944, 5934409, 6390902, 7303888, 11868818, 12781804, 23737636, 25563608, 41540863, 47475272, 51127216, 83081726, 94950544, 166163452, 332326904, 664653808]

約数ペア:

[(1, 664653808), (2, 332326904), (4, 166163452), (7, 94950544), (8, 83081726), (13, 51127216), (14, 47475272), (16, 41540863), (26, 25563608), (28, 23737636), (52, 12781804), (56, 11868818), (91, 7303888), (104, 6390902), (112, 5934409), (182, 3651944), (208, 3195451), (269, 2470832), (364, 1825972), (538, 1235416), (728, 912986), (1076, 617708), (1456, 456493), (1697, 391664), (1883, 352976), (2152, 308854), (3394, 195832), (3497, 190064), (3766, 176488), (4304, 154427), (6788, 97916), (6994, 95032), (7532, 88244), (11879, 55952), (13576, 48958), (13988, 47516), (15064, 44122), (22061, 30128), (23758, 27976), (24479, 27152)]