201689785

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{109}}^1\times {\mathrm{1979}}^1$

素因数の和:2121

約数の個数: 32

約数和(自身を含む): 282268800

約数和(自身を除く): 80579015

約数列:

[1, 5, 11, 17, 55, 85, 109, 187, 545, 935, 1199, 1853, 1979, 5995, 9265, 9895, 20383, 21769, 33643, 101915, 108845, 168215, 215711, 370073, 1078555, 1850365, 2372821, 3667087, 11864105, 18335435, 40337957, 201689785]

約数ペア:

[(1, 201689785), (5, 40337957), (11, 18335435), (17, 11864105), (55, 3667087), (85, 2372821), (109, 1850365), (187, 1078555), (545, 370073), (935, 215711), (1199, 168215), (1853, 108845), (1979, 101915), (5995, 33643), (9265, 21769), (9895, 20383)]