81216004

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{16361}}^1$

素因数の和:16455

約数の個数: 24

約数和(自身を含む): 152559288

約数和(自身を除く): 71343284

約数列:

[1, 2, 4, 17, 34, 68, 73, 146, 292, 1241, 2482, 4964, 16361, 32722, 65444, 278137, 556274, 1112548, 1194353, 2388706, 4777412, 20304001, 40608002, 81216004]

約数ペア:

[(1, 81216004), (2, 40608002), (4, 20304001), (17, 4777412), (34, 2388706), (68, 1194353), (73, 1112548), (146, 556274), (292, 278137), (1241, 65444), (2482, 32722), (4964, 16361)]