81709264

素因数分解:

$2^4\times 7^2\times {\mathrm{13}}^1\times {\mathrm{8017}}^1$

素因数の和:8052

約数の個数: 60

約数和(自身を含む): 198349284

約数和(自身を除く): 116640020

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 49, 52, 56, 91, 98, 104, 112, 182, 196, 208, 364, 392, 637, 728, 784, 1274, 1456, 2548, 5096, 8017, 10192, 16034, 32068, 56119, 64136, 104221, 112238, 128272, 208442, 224476, 392833, 416884, 448952, 729547, 785666, 833768, 897904, 1459094, 1571332, 1667536, 2918188, 3142664, 5106829, 5836376, 6285328, 10213658, 11672752, 20427316, 40854632, 81709264]

約数ペア:

[(1, 81709264), (2, 40854632), (4, 20427316), (7, 11672752), (8, 10213658), (13, 6285328), (14, 5836376), (16, 5106829), (26, 3142664), (28, 2918188), (49, 1667536), (52, 1571332), (56, 1459094), (91, 897904), (98, 833768), (104, 785666), (112, 729547), (182, 448952), (196, 416884), (208, 392833), (364, 224476), (392, 208442), (637, 128272), (728, 112238), (784, 104221), (1274, 64136), (1456, 56119), (2548, 32068), (5096, 16034), (8017, 10192)]