1958702915

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{13691}}^1$

素因数の和:13811

約数の個数: 32

約数和(自身を含む): 2649894912

約数和(自身を除く): 691191997

約数列:

[1, 5, 13, 31, 65, 71, 155, 355, 403, 923, 2015, 2201, 4615, 11005, 13691, 28613, 68455, 143065, 177983, 424421, 889915, 972061, 2122105, 4860305, 5517473, 12636793, 27587365, 30133891, 63183965, 150669455, 391740583, 1958702915]

約数ペア:

[(1, 1958702915), (5, 391740583), (13, 150669455), (31, 63183965), (65, 30133891), (71, 27587365), (155, 12636793), (355, 5517473), (403, 4860305), (923, 2122105), (2015, 972061), (2201, 889915), (4615, 424421), (11005, 177983), (13691, 143065), (28613, 68455)]