253430786

素因数分解:

$2^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{142537}}^1$

素因数の和:142673

約数の個数: 16

約数和(自身を含む): 437876736

約数和(自身を除く): 184445950

約数列:

[1, 2, 7, 14, 127, 254, 889, 1778, 142537, 285074, 997759, 1995518, 18102199, 36204398, 126715393, 253430786]

約数ペア:

[(1, 253430786), (2, 126715393), (7, 36204398), (14, 18102199), (127, 1995518), (254, 997759), (889, 285074), (1778, 142537)]