402905438

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{231289}}^1$

素因数の和:231371

約数の個数: 16

約数和(自身を含む): 660564240

約数和(自身を除く): 257658802

約数列:

[1, 2, 13, 26, 67, 134, 871, 1742, 231289, 462578, 3006757, 6013514, 15496363, 30992726, 201452719, 402905438]

約数ペア:

[(1, 402905438), (2, 201452719), (13, 30992726), (26, 15496363), (67, 6013514), (134, 3006757), (871, 462578), (1742, 231289)]