31238785

素因数分解:

$5^1\times {\mathrm{47}}^1\times {\mathrm{307}}^1\times {\mathrm{433}}^1$

素因数の和:792

約数の個数: 16

約数和(自身を含む): 38497536

約数和(自身を除く): 7258751

約数列:

[1, 5, 47, 235, 307, 433, 1535, 2165, 14429, 20351, 72145, 101755, 132931, 664655, 6247757, 31238785]

約数ペア:

[(1, 31238785), (5, 6247757), (47, 664655), (235, 132931), (307, 101755), (433, 72145), (1535, 20351), (2165, 14429)]