213888538

素因数分解:

$2^1\times {\mathrm{89}}^1\times {\mathrm{389}}^1\times {\mathrm{3089}}^1$

素因数の和:3569

約数の個数: 16

約数和(自身を含む): 325377000

約数和(自身を除く): 111488462

約数列:

[1, 2, 89, 178, 389, 778, 3089, 6178, 34621, 69242, 274921, 549842, 1201621, 2403242, 106944269, 213888538]

約数ペア:

[(1, 213888538), (2, 106944269), (89, 2403242), (178, 1201621), (389, 549842), (778, 274921), (3089, 69242), (6178, 34621)]