25492984

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{193}}^1$

素因数の和:308

約数の個数: 64

約数和(自身を含む): 55872000

約数和(自身を除く): 30379016

約数列:

[1, 2, 4, 8, 11, 19, 22, 38, 44, 76, 79, 88, 152, 158, 193, 209, 316, 386, 418, 632, 772, 836, 869, 1501, 1544, 1672, 1738, 2123, 3002, 3476, 3667, 4246, 6004, 6952, 7334, 8492, 12008, 14668, 15247, 16511, 16984, 29336, 30494, 33022, 40337, 60988, 66044, 80674, 121976, 132088, 161348, 167717, 289693, 322696, 335434, 579386, 670868, 1158772, 1341736, 2317544, 3186623, 6373246, 12746492, 25492984]

約数ペア:

[(1, 25492984), (2, 12746492), (4, 6373246), (8, 3186623), (11, 2317544), (19, 1341736), (22, 1158772), (38, 670868), (44, 579386), (76, 335434), (79, 322696), (88, 289693), (152, 167717), (158, 161348), (193, 132088), (209, 121976), (316, 80674), (386, 66044), (418, 60988), (632, 40337), (772, 33022), (836, 30494), (869, 29336), (1501, 16984), (1544, 16511), (1672, 15247), (1738, 14668), (2123, 12008), (3002, 8492), (3476, 7334), (3667, 6952), (4246, 6004)]