11965940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{673}}^1$

素因数の和:816

約数の個数: 48

約数和(自身を含む): 28987392

約数和(自身を除く): 17021452

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 127, 140, 254, 508, 635, 673, 889, 1270, 1346, 1778, 2540, 2692, 3365, 3556, 4445, 4711, 6730, 8890, 9422, 13460, 17780, 18844, 23555, 47110, 85471, 94220, 170942, 341884, 427355, 598297, 854710, 1196594, 1709420, 2393188, 2991485, 5982970, 11965940]

約数ペア:

[(1, 11965940), (2, 5982970), (4, 2991485), (5, 2393188), (7, 1709420), (10, 1196594), (14, 854710), (20, 598297), (28, 427355), (35, 341884), (70, 170942), (127, 94220), (140, 85471), (254, 47110), (508, 23555), (635, 18844), (673, 17780), (889, 13460), (1270, 9422), (1346, 8890), (1778, 6730), (2540, 4711), (2692, 4445), (3365, 3556)]