28205898

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{521}}^1\times {\mathrm{1289}}^1$

素因数の和:1822

約数の個数: 32

約数和(自身を含む): 64644480

約数和(自身を除く): 36438582

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 521, 1042, 1289, 1563, 2578, 3126, 3647, 3867, 7294, 7734, 9023, 10941, 18046, 21882, 27069, 54138, 671569, 1343138, 2014707, 4029414, 4700983, 9401966, 14102949, 28205898]

約数ペア:

[(1, 28205898), (2, 14102949), (3, 9401966), (6, 4700983), (7, 4029414), (14, 2014707), (21, 1343138), (42, 671569), (521, 54138), (1042, 27069), (1289, 21882), (1563, 18046), (2578, 10941), (3126, 9023), (3647, 7734), (3867, 7294)]