81158170

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{199}}^1\times {\mathrm{2399}}^1$

素因数の和:2622

約数の個数: 32

約数和(自身を含む): 155520000

約数和(自身を除く): 74361830

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 199, 398, 995, 1990, 2399, 3383, 4798, 6766, 11995, 16915, 23990, 33830, 40783, 81566, 203915, 407830, 477401, 954802, 2387005, 4774010, 8115817, 16231634, 40579085, 81158170]

約数ペア:

[(1, 81158170), (2, 40579085), (5, 16231634), (10, 8115817), (17, 4774010), (34, 2387005), (85, 954802), (170, 477401), (199, 407830), (398, 203915), (995, 81566), (1990, 40783), (2399, 33830), (3383, 23990), (4798, 16915), (6766, 11995)]