81801244

素因数分解:

$2^2\times 7^1\times {\mathrm{47}}^1\times {\mathrm{61}}^1\times {\mathrm{1019}}^1$

素因数の和:1138

約数の個数: 48

約数和(自身を含む): 169989120

約数和(自身を除く): 88187876

約数列:

[1, 2, 4, 7, 14, 28, 47, 61, 94, 122, 188, 244, 329, 427, 658, 854, 1019, 1316, 1708, 2038, 2867, 4076, 5734, 7133, 11468, 14266, 20069, 28532, 40138, 47893, 62159, 80276, 95786, 124318, 191572, 248636, 335251, 435113, 670502, 870226, 1341004, 1740452, 2921473, 5842946, 11685892, 20450311, 40900622, 81801244]

約数ペア:

[(1, 81801244), (2, 40900622), (4, 20450311), (7, 11685892), (14, 5842946), (28, 2921473), (47, 1740452), (61, 1341004), (94, 870226), (122, 670502), (188, 435113), (244, 335251), (329, 248636), (427, 191572), (658, 124318), (854, 95786), (1019, 80276), (1316, 62159), (1708, 47893), (2038, 40138), (2867, 28532), (4076, 20069), (5734, 14266), (7133, 11468)]