257679404

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{269}}^1\times {\mathrm{14087}}^1$

素因数の和:14377

約数の個数: 24

約数和(自身を含む): 479273760

約数和(自身を除く): 221594356

約数列:

[1, 2, 4, 17, 34, 68, 269, 538, 1076, 4573, 9146, 14087, 18292, 28174, 56348, 239479, 478958, 957916, 3789403, 7578806, 15157612, 64419851, 128839702, 257679404]

約数ペア:

[(1, 257679404), (2, 128839702), (4, 64419851), (17, 15157612), (34, 7578806), (68, 3789403), (269, 957916), (538, 478958), (1076, 239479), (4573, 56348), (9146, 28174), (14087, 18292)]