31518656

素因数分解:

$2^6\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{881}}^1$

素因数の和:949

約数の個数: 56

約数和(自身を含む): 69000624

約数和(自身を除く): 37481968

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 43, 52, 64, 86, 104, 172, 208, 344, 416, 559, 688, 832, 881, 1118, 1376, 1762, 2236, 2752, 3524, 4472, 7048, 8944, 11453, 14096, 17888, 22906, 28192, 35776, 37883, 45812, 56384, 75766, 91624, 151532, 183248, 303064, 366496, 492479, 606128, 732992, 984958, 1212256, 1969916, 2424512, 3939832, 7879664, 15759328, 31518656]

約数ペア:

[(1, 31518656), (2, 15759328), (4, 7879664), (8, 3939832), (13, 2424512), (16, 1969916), (26, 1212256), (32, 984958), (43, 732992), (52, 606128), (64, 492479), (86, 366496), (104, 303064), (172, 183248), (208, 151532), (344, 91624), (416, 75766), (559, 56384), (688, 45812), (832, 37883), (881, 35776), (1118, 28192), (1376, 22906), (1762, 17888), (2236, 14096), (2752, 11453), (3524, 8944), (4472, 7048)]