1990071215

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{313}}^1\times {\mathrm{115601}}^1$

素因数の和:115930

約数の個数: 16

約数和(自身を含む): 2613530016

約数和(自身を除く): 623458801

約数列:

[1, 5, 11, 55, 313, 1565, 3443, 17215, 115601, 578005, 1271611, 6358055, 36183113, 180915565, 398014243, 1990071215]

約数ペア:

[(1, 1990071215), (5, 398014243), (11, 180915565), (55, 36183113), (313, 6358055), (1565, 1271611), (3443, 578005), (17215, 115601)]