28170506

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{4993}}^1$

素因数の和:5046

約数の個数: 32

約数和(自身を含む): 53695488

約数和(自身を除く): 25524982

約数列:

[1, 2, 7, 13, 14, 26, 31, 62, 91, 182, 217, 403, 434, 806, 2821, 4993, 5642, 9986, 34951, 64909, 69902, 129818, 154783, 309566, 454363, 908726, 1083481, 2012179, 2166962, 4024358, 14085253, 28170506]

約数ペア:

[(1, 28170506), (2, 14085253), (7, 4024358), (13, 2166962), (14, 2012179), (26, 1083481), (31, 908726), (62, 454363), (91, 309566), (182, 154783), (217, 129818), (403, 69902), (434, 64909), (806, 34951), (2821, 9986), (4993, 5642)]