397393506

素因数分解:

$2^1\times 3^3\times {\mathrm{107}}^1\times {\mathrm{68777}}^1$

素因数の和:68895

約数の個数: 32

約数和(自身を含む): 891362880

約数和(自身を除く): 493969374

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 107, 214, 321, 642, 963, 1926, 2889, 5778, 68777, 137554, 206331, 412662, 618993, 1237986, 1856979, 3713958, 7359139, 14718278, 22077417, 44154834, 66232251, 132464502, 198696753, 397393506]

約数ペア:

[(1, 397393506), (2, 198696753), (3, 132464502), (6, 66232251), (9, 44154834), (18, 22077417), (27, 14718278), (54, 7359139), (107, 3713958), (214, 1856979), (321, 1237986), (642, 618993), (963, 412662), (1926, 206331), (2889, 137554), (5778, 68777)]