81930365

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{1657}}^1$

素因数の和:1733

約数の個数: 32

約数和(自身を含む): 114600960

約数和(自身を除く): 32670595

約数列:

[1, 5, 11, 29, 31, 55, 145, 155, 319, 341, 899, 1595, 1657, 1705, 4495, 8285, 9889, 18227, 48053, 49445, 51367, 91135, 240265, 256835, 528583, 565037, 1489643, 2642915, 2825185, 7448215, 16386073, 81930365]

約数ペア:

[(1, 81930365), (5, 16386073), (11, 7448215), (29, 2825185), (31, 2642915), (55, 1489643), (145, 565037), (155, 528583), (319, 256835), (341, 240265), (899, 91135), (1595, 51367), (1657, 49445), (1705, 48053), (4495, 18227), (8285, 9889)]