78706173

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{67}}^1\times {\mathrm{331}}^1$

素因数の和:434

約数の個数: 48

約数和(自身を含む): 132205056

約数和(自身を除く): 53498883

約数列:

[1, 3, 7, 13, 21, 39, 67, 91, 169, 201, 273, 331, 469, 507, 871, 993, 1183, 1407, 2317, 2613, 3549, 4303, 6097, 6951, 11323, 12909, 18291, 22177, 30121, 33969, 55939, 66531, 79261, 90363, 155239, 167817, 237783, 288301, 391573, 465717, 864903, 1174719, 2018107, 3747913, 6054321, 11243739, 26235391, 78706173]

約数ペア:

[(1, 78706173), (3, 26235391), (7, 11243739), (13, 6054321), (21, 3747913), (39, 2018107), (67, 1174719), (91, 864903), (169, 465717), (201, 391573), (273, 288301), (331, 237783), (469, 167817), (507, 155239), (871, 90363), (993, 79261), (1183, 66531), (1407, 55939), (2317, 33969), (2613, 30121), (3549, 22177), (4303, 18291), (6097, 12909), (6951, 11323)]