64744988

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{6781}}^1$

素因数の和:6834

約数の個数: 48

約数和(自身を含む): 145840128

約数和(自身を除く): 81095140

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 31, 44, 62, 77, 124, 154, 217, 308, 341, 434, 682, 868, 1364, 2387, 4774, 6781, 9548, 13562, 27124, 47467, 74591, 94934, 149182, 189868, 210211, 298364, 420422, 522137, 840844, 1044274, 1471477, 2088548, 2312321, 2942954, 4624642, 5885908, 9249284, 16186247, 32372494, 64744988]

約数ペア:

[(1, 64744988), (2, 32372494), (4, 16186247), (7, 9249284), (11, 5885908), (14, 4624642), (22, 2942954), (28, 2312321), (31, 2088548), (44, 1471477), (62, 1044274), (77, 840844), (124, 522137), (154, 420422), (217, 298364), (308, 210211), (341, 189868), (434, 149182), (682, 94934), (868, 74591), (1364, 47467), (2387, 27124), (4774, 13562), (6781, 9548)]