257607142

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{1879}}^1\times {\mathrm{5273}}^1$

素因数の和:7167

約数の個数: 16

約数和(自身を含む): 416435040

約数和(自身を除く): 158827898

約数列:

[1, 2, 13, 26, 1879, 3758, 5273, 10546, 24427, 48854, 68549, 137098, 9907967, 19815934, 128803571, 257607142]

約数ペア:

[(1, 257607142), (2, 128803571), (13, 19815934), (26, 9907967), (1879, 137098), (3758, 68549), (5273, 48854), (10546, 24427)]