71055257

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{1997}}^1$

素因数の和:2057

約数の個数: 32

約数和(自身を含む): 96671232

約数和(自身を除く): 25615975

約数列:

[1, 7, 13, 17, 23, 91, 119, 161, 221, 299, 391, 1547, 1997, 2093, 2737, 5083, 13979, 25961, 33949, 35581, 45931, 181727, 237643, 321517, 441337, 597103, 780827, 3089359, 4179721, 5465789, 10150751, 71055257]

約数ペア:

[(1, 71055257), (7, 10150751), (13, 5465789), (17, 4179721), (23, 3089359), (91, 780827), (119, 597103), (161, 441337), (221, 321517), (299, 237643), (391, 181727), (1547, 45931), (1997, 35581), (2093, 33949), (2737, 25961), (5083, 13979)]