49990278

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{640901}}^1$

素因数の和:640919

約数の個数: 16

約数和(自身を含む): 107671536

約数和(自身を除く): 57681258

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 640901, 1281802, 1922703, 3845406, 8331713, 16663426, 24995139, 49990278]

約数ペア:

[(1, 49990278), (2, 24995139), (3, 16663426), (6, 8331713), (13, 3845406), (26, 1922703), (39, 1281802), (78, 640901)]