1298996868

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^2\times {\mathrm{640531}}^1$

素因数の和:640564

約数の個数: 36

約数和(自身を含む): 3282085968

約数和(自身を除く): 1983089100

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 169, 338, 507, 676, 1014, 2028, 640531, 1281062, 1921593, 2562124, 3843186, 7686372, 8326903, 16653806, 24980709, 33307612, 49961418, 99922836, 108249739, 216499478, 324749217, 432998956, 649498434, 1298996868]

約数ペア:

[(1, 1298996868), (2, 649498434), (3, 432998956), (4, 324749217), (6, 216499478), (12, 108249739), (13, 99922836), (26, 49961418), (39, 33307612), (52, 24980709), (78, 16653806), (156, 8326903), (169, 7686372), (338, 3843186), (507, 2562124), (676, 1921593), (1014, 1281062), (2028, 640531)]