89649428

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{28697}}^1$

素因数の和:28783

約数の個数: 24

約数和(自身を含む): 173565504

約数和(自身を除く): 83916076

約数列:

[1, 2, 4, 11, 22, 44, 71, 142, 284, 781, 1562, 3124, 28697, 57394, 114788, 315667, 631334, 1262668, 2037487, 4074974, 8149948, 22412357, 44824714, 89649428]

約数ペア:

[(1, 89649428), (2, 44824714), (4, 22412357), (11, 8149948), (22, 4074974), (44, 2037487), (71, 1262668), (142, 631334), (284, 315667), (781, 114788), (1562, 57394), (3124, 28697)]