12686564

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{131}}^1$

素因数の和:248

約数の個数: 48

約数和(自身を含む): 25546752

約数和(自身を除く): 12860188

約数列:

[1, 2, 4, 11, 22, 31, 44, 62, 71, 124, 131, 142, 262, 284, 341, 524, 682, 781, 1364, 1441, 1562, 2201, 2882, 3124, 4061, 4402, 5764, 8122, 8804, 9301, 16244, 18602, 24211, 37204, 44671, 48422, 89342, 96844, 102311, 178684, 204622, 288331, 409244, 576662, 1153324, 3171641, 6343282, 12686564]

約数ペア:

[(1, 12686564), (2, 6343282), (4, 3171641), (11, 1153324), (22, 576662), (31, 409244), (44, 288331), (62, 204622), (71, 178684), (124, 102311), (131, 96844), (142, 89342), (262, 48422), (284, 44671), (341, 37204), (524, 24211), (682, 18602), (781, 16244), (1364, 9301), (1441, 8804), (1562, 8122), (2201, 5764), (2882, 4402), (3124, 4061)]