15666872

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{199}}^1\times {\mathrm{757}}^1$

素因数の和:975

約数の個数: 32

約数和(自身を含む): 31836000

約数和(自身を除く): 16169128

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 199, 398, 757, 796, 1514, 1592, 2587, 3028, 5174, 6056, 9841, 10348, 19682, 20696, 39364, 78728, 150643, 301286, 602572, 1205144, 1958359, 3916718, 7833436, 15666872]

約数ペア:

[(1, 15666872), (2, 7833436), (4, 3916718), (8, 1958359), (13, 1205144), (26, 602572), (52, 301286), (104, 150643), (199, 78728), (398, 39364), (757, 20696), (796, 19682), (1514, 10348), (1592, 9841), (2587, 6056), (3028, 5174)]