638632956

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{4093801}}^1$

素因数の和:4093821

約数の個数: 24

約数和(自身を含む): 1604770384

約数和(自身を除く): 966137428

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 4093801, 8187602, 12281403, 16375204, 24562806, 49125612, 53219413, 106438826, 159658239, 212877652, 319316478, 638632956]

約数ペア:

[(1, 638632956), (2, 319316478), (3, 212877652), (4, 159658239), (6, 106438826), (12, 53219413), (13, 49125612), (26, 24562806), (39, 16375204), (52, 12281403), (78, 8187602), (156, 4093801)]