81831464

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{233}}^1\times {\mathrm{307}}^1$

素因数の和:570

約数の個数: 64

約数和(自身を含む): 181621440

約数和(自身を除く): 99789976

約数列:

[1, 2, 4, 8, 11, 13, 22, 26, 44, 52, 88, 104, 143, 233, 286, 307, 466, 572, 614, 932, 1144, 1228, 1864, 2456, 2563, 3029, 3377, 3991, 5126, 6058, 6754, 7982, 10252, 12116, 13508, 15964, 20504, 24232, 27016, 31928, 33319, 43901, 66638, 71531, 87802, 133276, 143062, 175604, 266552, 286124, 351208, 572248, 786841, 929903, 1573682, 1859806, 3147364, 3719612, 6294728, 7439224, 10228933, 20457866, 40915732, 81831464]

約数ペア:

[(1, 81831464), (2, 40915732), (4, 20457866), (8, 10228933), (11, 7439224), (13, 6294728), (22, 3719612), (26, 3147364), (44, 1859806), (52, 1573682), (88, 929903), (104, 786841), (143, 572248), (233, 351208), (286, 286124), (307, 266552), (466, 175604), (572, 143062), (614, 133276), (932, 87802), (1144, 71531), (1228, 66638), (1864, 43901), (2456, 33319), (2563, 31928), (3029, 27016), (3377, 24232), (3991, 20504), (5126, 15964), (6058, 13508), (6754, 12116), (7982, 10252)]