261567982516

素因数分解:

$2^2\times {\mathrm{29}}^1\times {\mathrm{251}}^1\times {\mathrm{661}}^1\times {\mathrm{13591}}^1$

素因数の和:14536

約数の個数: 48

約数和(自身を含む): 476169079680

約数和(自身を除く): 214601097164

約数列:

[1, 2, 4, 29, 58, 116, 251, 502, 661, 1004, 1322, 2644, 7279, 13591, 14558, 19169, 27182, 29116, 38338, 54364, 76676, 165911, 331822, 394139, 663644, 788278, 1576556, 3411341, 4811419, 6822682, 8983651, 9622838, 13645364, 17967302, 19245676, 35934604, 98928889, 197857778, 260525879, 395715556, 521051758, 1042103516, 2254896401, 4509792802, 9019585604, 65391995629, 130783991258, 261567982516]

約数ペア:

[(1, 261567982516), (2, 130783991258), (4, 65391995629), (29, 9019585604), (58, 4509792802), (116, 2254896401), (251, 1042103516), (502, 521051758), (661, 395715556), (1004, 260525879), (1322, 197857778), (2644, 98928889), (7279, 35934604), (13591, 19245676), (14558, 17967302), (19169, 13645364), (27182, 9622838), (29116, 8983651), (38338, 6822682), (54364, 4811419), (76676, 3411341), (165911, 1576556), (331822, 788278), (394139, 663644)]