168261491260

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{494886739}}^1$

素因数の和:494886765

約数の個数: 24

約数和(自身を含む): 374134375440

約数和(自身を除く): 205872884180

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 494886739, 989773478, 1979546956, 2474433695, 4948867390, 8413074563, 9897734780, 16826149126, 33652298252, 42065372815, 84130745630, 168261491260]

約数ペア:

[(1, 168261491260), (2, 84130745630), (4, 42065372815), (5, 33652298252), (10, 16826149126), (17, 9897734780), (20, 8413074563), (34, 4948867390), (68, 2474433695), (85, 1979546956), (170, 989773478), (340, 494886739)]