199793256

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{640363}}^1$

素因数の和:640385

約数の個数: 32

約数和(自身を含む): 537905760

約数和(自身を除く): 338112504

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 78, 104, 156, 312, 640363, 1280726, 1921089, 2561452, 3842178, 5122904, 7684356, 8324719, 15368712, 16649438, 24974157, 33298876, 49948314, 66597752, 99896628, 199793256]

約数ペア:

[(1, 199793256), (2, 99896628), (3, 66597752), (4, 49948314), (6, 33298876), (8, 24974157), (12, 16649438), (13, 15368712), (24, 8324719), (26, 7684356), (39, 5122904), (52, 3842178), (78, 2561452), (104, 1921089), (156, 1280726), (312, 640363)]