253960128

素因数分解:

$2^6\times 3^2\times {\mathrm{440903}}^1$

素因数の和:440921

約数の個数: 42

約数和(自身を含む): 727932504

約数和(自身を除く): 473972376

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 64, 72, 96, 144, 192, 288, 576, 440903, 881806, 1322709, 1763612, 2645418, 3527224, 3968127, 5290836, 7054448, 7936254, 10581672, 14108896, 15872508, 21163344, 28217792, 31745016, 42326688, 63490032, 84653376, 126980064, 253960128]

約数ペア:

[(1, 253960128), (2, 126980064), (3, 84653376), (4, 63490032), (6, 42326688), (8, 31745016), (9, 28217792), (12, 21163344), (16, 15872508), (18, 14108896), (24, 10581672), (32, 7936254), (36, 7054448), (48, 5290836), (64, 3968127), (72, 3527224), (96, 2645418), (144, 1763612), (192, 1322709), (288, 881806), (576, 440903)]