1284478

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{389}}^1$

素因数の和:531

約数の個数: 16

約数和(自身を含む): 2096640

約数和(自身を除く): 812162

約数列:

[1, 2, 13, 26, 127, 254, 389, 778, 1651, 3302, 5057, 10114, 49403, 98806, 642239, 1284478]

約数ペア:

[(1, 1284478), (2, 642239), (13, 98806), (26, 49403), (127, 10114), (254, 5057), (389, 3302), (778, 1651)]