12689872

素因数分解:

$2^4\times {\mathrm{13}}^3\times {\mathrm{19}}^2$

素因数の和:85

約数の個数: 60

約数和(自身を含む): 28110180

約数和(自身を除く): 15420308

約数列:

[1, 2, 4, 8, 13, 16, 19, 26, 38, 52, 76, 104, 152, 169, 208, 247, 304, 338, 361, 494, 676, 722, 988, 1352, 1444, 1976, 2197, 2704, 2888, 3211, 3952, 4394, 4693, 5776, 6422, 8788, 9386, 12844, 17576, 18772, 25688, 35152, 37544, 41743, 51376, 61009, 75088, 83486, 122018, 166972, 244036, 333944, 488072, 667888, 793117, 976144, 1586234, 3172468, 6344936, 12689872]

約数ペア:

[(1, 12689872), (2, 6344936), (4, 3172468), (8, 1586234), (13, 976144), (16, 793117), (19, 667888), (26, 488072), (38, 333944), (52, 244036), (76, 166972), (104, 122018), (152, 83486), (169, 75088), (208, 61009), (247, 51376), (304, 41743), (338, 37544), (361, 35152), (494, 25688), (676, 18772), (722, 17576), (988, 12844), (1352, 9386), (1444, 8788), (1976, 6422), (2197, 5776), (2704, 4693), (2888, 4394), (3211, 3952)]