917992816

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{28111}}^1$

素因数の和:28289

約数の個数: 40

約数和(自身を含む): 1927696064

約数和(自身を除く): 1009703248

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 157, 208, 314, 628, 1256, 2041, 2512, 4082, 8164, 16328, 28111, 32656, 56222, 112444, 224888, 365443, 449776, 730886, 1461772, 2923544, 4413427, 5847088, 8826854, 17653708, 35307416, 57374551, 70614832, 114749102, 229498204, 458996408, 917992816]

約数ペア:

[(1, 917992816), (2, 458996408), (4, 229498204), (8, 114749102), (13, 70614832), (16, 57374551), (26, 35307416), (52, 17653708), (104, 8826854), (157, 5847088), (208, 4413427), (314, 2923544), (628, 1461772), (1256, 730886), (2041, 449776), (2512, 365443), (4082, 224888), (8164, 112444), (16328, 56222), (28111, 32656)]