638637936

素因数分解:

$2^4\times 3^1\times {\mathrm{13304957}}^1$

素因数の和:13304968

約数の個数: 20

約数和(自身を含む): 1649814792

約数和(自身を除く): 1011176856

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 13304957, 26609914, 39914871, 53219828, 79829742, 106439656, 159659484, 212879312, 319318968, 638637936]

約数ペア:

[(1, 638637936), (2, 319318968), (3, 212879312), (4, 159659484), (6, 106439656), (8, 79829742), (12, 53219828), (16, 39914871), (24, 26609914), (48, 13304957)]