12681474052

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{79}}^1\times {\mathrm{83}}^1\times {\mathrm{2861}}^1$

素因数の和:3053

約数の個数: 72

約数和(自身を含む): 24637011840

約数和(自身を除く): 11955537788

約数列:

[1, 2, 4, 13, 26, 52, 79, 83, 158, 166, 169, 316, 332, 338, 676, 1027, 1079, 2054, 2158, 2861, 4108, 4316, 5722, 6557, 11444, 13114, 13351, 14027, 26228, 26702, 28054, 37193, 53404, 56108, 74386, 85241, 148772, 170482, 226019, 237463, 340964, 452038, 474926, 483509, 904076, 949852, 967018, 1108133, 1934036, 2216266, 2938247, 3087019, 4432532, 5876494, 6174038, 11752988, 12348076, 18759577, 37519154, 38197211, 40131247, 75038308, 76394422, 80262494, 152788844, 160524988, 243874501, 487749002, 975498004, 3170368513, 6340737026, 12681474052]

約数ペア:

[(1, 12681474052), (2, 6340737026), (4, 3170368513), (13, 975498004), (26, 487749002), (52, 243874501), (79, 160524988), (83, 152788844), (158, 80262494), (166, 76394422), (169, 75038308), (316, 40131247), (332, 38197211), (338, 37519154), (676, 18759577), (1027, 12348076), (1079, 11752988), (2054, 6174038), (2158, 5876494), (2861, 4432532), (4108, 3087019), (4316, 2938247), (5722, 2216266), (6557, 1934036), (11444, 1108133), (13114, 967018), (13351, 949852), (14027, 904076), (26228, 483509), (26702, 474926), (28054, 452038), (37193, 340964), (53404, 237463), (56108, 226019), (74386, 170482), (85241, 148772)]