128580361

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{2843}}^1$

素因数の和:2941

約数の個数: 24

約数和(自身を含む): 163404864

約数和(自身を除く): 34824503

約数列:

[1, 7, 13, 49, 71, 91, 497, 637, 923, 2843, 3479, 6461, 19901, 36959, 45227, 139307, 201853, 258713, 1412971, 1810991, 2624089, 9890797, 18368623, 128580361]

約数ペア:

[(1, 128580361), (7, 18368623), (13, 9890797), (49, 2624089), (71, 1810991), (91, 1412971), (497, 258713), (637, 201853), (923, 139307), (2843, 45227), (3479, 36959), (6461, 19901)]