1278455886

素因数分解:

$2^1\times 3^4\times {\mathrm{7891703}}^1$

素因数の和:7891717

約数の個数: 20

約数和(自身を含む): 2864688552

約数和(自身を除く): 1586232666

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 162, 7891703, 15783406, 23675109, 47350218, 71025327, 142050654, 213075981, 426151962, 639227943, 1278455886]

約数ペア:

[(1, 1278455886), (2, 639227943), (3, 426151962), (6, 213075981), (9, 142050654), (18, 71025327), (27, 47350218), (54, 23675109), (81, 15783406), (162, 7891703)]