391010285

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{179}}^1\times {\mathrm{829}}^1$

素因数の和:1061

約数の個数: 32

約数和(自身を含む): 516326400

約数和(自身を除く): 125316115

約数列:

[1, 5, 17, 31, 85, 155, 179, 527, 829, 895, 2635, 3043, 4145, 5549, 14093, 15215, 25699, 27745, 70465, 94333, 128495, 148391, 436883, 471665, 741955, 2184415, 2522647, 4600121, 12613235, 23000605, 78202057, 391010285]

約数ペア:

[(1, 391010285), (5, 78202057), (17, 23000605), (31, 12613235), (85, 4600121), (155, 2522647), (179, 2184415), (527, 741955), (829, 471665), (895, 436883), (2635, 148391), (3043, 128495), (4145, 94333), (5549, 70465), (14093, 27745), (15215, 25699)]