71644937

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{109}}^1\times {\mathrm{233}}^1$

素因数の和:393

約数の個数: 32

約数和(自身を含む): 92252160

約数和(自身を除く): 20607223

約数列:

[1, 7, 13, 31, 91, 109, 217, 233, 403, 763, 1417, 1631, 2821, 3029, 3379, 7223, 9919, 21203, 23653, 25397, 43927, 50561, 93899, 177779, 307489, 330161, 657293, 787307, 2311127, 5511149, 10234991, 71644937]

約数ペア:

[(1, 71644937), (7, 10234991), (13, 5511149), (31, 2311127), (91, 787307), (109, 657293), (217, 330161), (233, 307489), (403, 177779), (763, 93899), (1417, 50561), (1631, 43927), (2821, 25397), (3029, 23653), (3379, 21203), (7223, 9919)]