247486972

素因数分解:

$2^2\times {\mathrm{71}}^1\times {\mathrm{317}}^1\times {\mathrm{2749}}^1$

素因数の和:3141

約数の個数: 24

約数和(自身を含む): 440748000

約数和(自身を除く): 193261028

約数列:

[1, 2, 4, 71, 142, 284, 317, 634, 1268, 2749, 5498, 10996, 22507, 45014, 90028, 195179, 390358, 780716, 871433, 1742866, 3485732, 61871743, 123743486, 247486972]

約数ペア:

[(1, 247486972), (2, 123743486), (4, 61871743), (71, 3485732), (142, 1742866), (284, 871433), (317, 780716), (634, 390358), (1268, 195179), (2749, 90028), (5498, 45014), (10996, 22507)]