278317825

素因数分解:

$5^2\times {\mathrm{23}}^1\times {\mathrm{157}}^1\times {\mathrm{3083}}^1$

素因数の和:3273

約数の個数: 24

約数和(自身を含む): 362530368

約数和(自身を除く): 84212543

約数列:

[1, 5, 23, 25, 115, 157, 575, 785, 3083, 3611, 3925, 15415, 18055, 70909, 77075, 90275, 354545, 484031, 1772725, 2420155, 11132713, 12100775, 55663565, 278317825]

約数ペア:

[(1, 278317825), (5, 55663565), (23, 12100775), (25, 11132713), (115, 2420155), (157, 1772725), (575, 484031), (785, 354545), (3083, 90275), (3611, 77075), (3925, 70909), (15415, 18055)]