28297919

素因数分解:

${\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{67}}^1\times {\mathrm{613}}^1$

素因数の和:746

約数の個数: 16

約数和(自身を含む): 31564512

約数和(自身を除く): 3266593

約数列:

[1, 13, 53, 67, 613, 689, 871, 3551, 7969, 32489, 41071, 46163, 422357, 533923, 2176763, 28297919]

約数ペア:

[(1, 28297919), (13, 2176763), (53, 533923), (67, 422357), (613, 46163), (689, 41071), (871, 32489), (3551, 7969)]