81551992

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{223}}^1\times {\mathrm{2689}}^1$

素因数の和:2935

約数の個数: 32

約数和(自身を含む): 162691200

約数和(自身を除く): 81139208

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 223, 446, 892, 1784, 2689, 3791, 5378, 7582, 10756, 15164, 21512, 30328, 45713, 91426, 182852, 365704, 599647, 1199294, 2398588, 4797176, 10193999, 20387998, 40775996, 81551992]

約数ペア:

[(1, 81551992), (2, 40775996), (4, 20387998), (8, 10193999), (17, 4797176), (34, 2398588), (68, 1199294), (136, 599647), (223, 365704), (446, 182852), (892, 91426), (1784, 45713), (2689, 30328), (3791, 21512), (5378, 15164), (7582, 10756)]