168271780

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{494917}}^1$

素因数の和:494943

約数の個数: 24

約数和(自身を含む): 374158008

約数和(自身を除く): 205886228

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 494917, 989834, 1979668, 2474585, 4949170, 8413589, 9898340, 16827178, 33654356, 42067945, 84135890, 168271780]

約数ペア:

[(1, 168271780), (2, 84135890), (4, 42067945), (5, 33654356), (10, 16827178), (17, 9898340), (20, 8413589), (34, 4949170), (68, 2474585), (85, 1979668), (170, 989834), (340, 494917)]