42789428

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{13697}}^1$

素因数の和:13783

約数の個数: 24

約数和(自身を含む): 82845504

約数和(自身を除く): 40056076

約数列:

[1, 2, 4, 11, 22, 44, 71, 142, 284, 781, 1562, 3124, 13697, 27394, 54788, 150667, 301334, 602668, 972487, 1944974, 3889948, 10697357, 21394714, 42789428]

約数ペア:

[(1, 42789428), (2, 21394714), (4, 10697357), (11, 3889948), (22, 1944974), (44, 972487), (71, 602668), (142, 301334), (284, 150667), (781, 54788), (1562, 27394), (3124, 13697)]