81486834

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{1301}}^1$

素因数の和:1403

約数の個数: 64

約数和(自身を含む): 194237568

約数和(自身を除く): 112750734

約数列:

[1, 2, 3, 6, 11, 13, 22, 26, 33, 39, 66, 73, 78, 143, 146, 219, 286, 429, 438, 803, 858, 949, 1301, 1606, 1898, 2409, 2602, 2847, 3903, 4818, 5694, 7806, 10439, 14311, 16913, 20878, 28622, 31317, 33826, 42933, 50739, 62634, 85866, 94973, 101478, 186043, 189946, 284919, 372086, 558129, 569838, 1044703, 1116258, 1234649, 2089406, 2469298, 3134109, 3703947, 6268218, 7407894, 13581139, 27162278, 40743417, 81486834]

約数ペア:

[(1, 81486834), (2, 40743417), (3, 27162278), (6, 13581139), (11, 7407894), (13, 6268218), (22, 3703947), (26, 3134109), (33, 2469298), (39, 2089406), (66, 1234649), (73, 1116258), (78, 1044703), (143, 569838), (146, 558129), (219, 372086), (286, 284919), (429, 189946), (438, 186043), (803, 101478), (858, 94973), (949, 85866), (1301, 62634), (1606, 50739), (1898, 42933), (2409, 33826), (2602, 31317), (2847, 28622), (3903, 20878), (4818, 16913), (5694, 14311), (7806, 10439)]