12721712

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{46771}}^1$

素因数の和:46796

約数の個数: 20

約数和(自身を含む): 26098776

約数和(自身を除く): 13377064

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 46771, 93542, 187084, 374168, 748336, 795107, 1590214, 3180428, 6360856, 12721712]

約数ペア:

[(1, 12721712), (2, 6360856), (4, 3180428), (8, 1590214), (16, 795107), (17, 748336), (34, 374168), (68, 187084), (136, 93542), (272, 46771)]