27981319745

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{125311}}^1$

素因数の和:125441

約数の個数: 32

約数和(自身を含む): 37028192256

約数和(自身を除く): 9046872511

約数列:

[1, 5, 17, 37, 71, 85, 185, 355, 629, 1207, 2627, 3145, 6035, 13135, 44659, 125311, 223295, 626555, 2130287, 4636507, 8897081, 10651435, 23182535, 44485405, 78820619, 151250377, 329191997, 394103095, 756251885, 1645959985, 5596263949, 27981319745]

約数ペア:

[(1, 27981319745), (5, 5596263949), (17, 1645959985), (37, 756251885), (71, 394103095), (85, 329191997), (185, 151250377), (355, 78820619), (629, 44485405), (1207, 23182535), (2627, 10651435), (3145, 8897081), (6035, 4636507), (13135, 2130287), (44659, 626555), (125311, 223295)]