64982905

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{89}}^1\times {\mathrm{239}}^1$

素因数の和:393

約数の個数: 32

約数和(自身を含む): 87091200

約数和(自身を除く): 22108295

約数列:

[1, 5, 13, 47, 65, 89, 235, 239, 445, 611, 1157, 1195, 3055, 3107, 4183, 5785, 11233, 15535, 20915, 21271, 54379, 56165, 106355, 146029, 271895, 276523, 730145, 999737, 1382615, 4998685, 12996581, 64982905]

約数ペア:

[(1, 64982905), (5, 12996581), (13, 4998685), (47, 1382615), (65, 999737), (89, 730145), (235, 276523), (239, 271895), (445, 146029), (611, 106355), (1157, 56165), (1195, 54379), (3055, 21271), (3107, 20915), (4183, 15535), (5785, 11233)]