9904895

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{1979}}^1$

素因数の和:2015

約数の個数: 32

約数和(自身を含む): 15966720

約数和(自身を除く): 6061825

約数列:

[1, 5, 7, 11, 13, 35, 55, 65, 77, 91, 143, 385, 455, 715, 1001, 1979, 5005, 9895, 13853, 21769, 25727, 69265, 108845, 128635, 152383, 180089, 282997, 761915, 900445, 1414985, 1980979, 9904895]

約数ペア:

[(1, 9904895), (5, 1980979), (7, 1414985), (11, 900445), (13, 761915), (35, 282997), (55, 180089), (65, 152383), (77, 128635), (91, 108845), (143, 69265), (385, 25727), (455, 21769), (715, 13853), (1001, 9895), (1979, 5005)]