31266128

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{1619}}^1$

素因数の和:1715

約数の個数: 40

約数和(自身を含む): 65085120

約数和(自身を除く): 33818992

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 71, 136, 142, 272, 284, 568, 1136, 1207, 1619, 2414, 3238, 4828, 6476, 9656, 12952, 19312, 25904, 27523, 55046, 110092, 114949, 220184, 229898, 440368, 459796, 919592, 1839184, 1954133, 3908266, 7816532, 15633064, 31266128]

約数ペア:

[(1, 31266128), (2, 15633064), (4, 7816532), (8, 3908266), (16, 1954133), (17, 1839184), (34, 919592), (68, 459796), (71, 440368), (136, 229898), (142, 220184), (272, 114949), (284, 110092), (568, 55046), (1136, 27523), (1207, 25904), (1619, 19312), (2414, 12952), (3238, 9656), (4828, 6476)]