12947956

素因数分解:

$2^2\times 7^2\times {\mathrm{31}}^1\times {\mathrm{2131}}^1$

素因数の和:2180

約数の個数: 36

約数和(自身を含む): 27221376

約数和(自身を除く): 14273420

約数列:

[1, 2, 4, 7, 14, 28, 31, 49, 62, 98, 124, 196, 217, 434, 868, 1519, 2131, 3038, 4262, 6076, 8524, 14917, 29834, 59668, 66061, 104419, 132122, 208838, 264244, 417676, 462427, 924854, 1849708, 3236989, 6473978, 12947956]

約数ペア:

[(1, 12947956), (2, 6473978), (4, 3236989), (7, 1849708), (14, 924854), (28, 462427), (31, 417676), (49, 264244), (62, 208838), (98, 132122), (124, 104419), (196, 66061), (217, 59668), (434, 29834), (868, 14917), (1519, 8524), (2131, 6076), (3038, 4262)]