20131329148

素因数分解:

$2^2\times 7^2\times {\mathrm{41}}^1\times {\mathrm{2505143}}^1$

素因数の和:2505202

約数の個数: 36

約数和(自身を含む): 41981203152

約数和(自身を除く): 21849874004

約数列:

[1, 2, 4, 7, 14, 28, 41, 49, 82, 98, 164, 196, 287, 574, 1148, 2009, 4018, 8036, 2505143, 5010286, 10020572, 17536001, 35072002, 70144004, 102710863, 122752007, 205421726, 245504014, 410843452, 491008028, 718976041, 1437952082, 2875904164, 5032832287, 10065664574, 20131329148]

約数ペア:

[(1, 20131329148), (2, 10065664574), (4, 5032832287), (7, 2875904164), (14, 1437952082), (28, 718976041), (41, 491008028), (49, 410843452), (82, 245504014), (98, 205421726), (164, 122752007), (196, 102710863), (287, 70144004), (574, 35072002), (1148, 17536001), (2009, 10020572), (4018, 5010286), (8036, 2505143)]