258464

素因数分解:

$2^5\times {\mathrm{41}}^1\times {\mathrm{197}}^1$

素因数の和:248

約数の個数: 24

約数和(自身を含む): 523908

約数和(自身を除く): 265444

約数列:

[1, 2, 4, 8, 16, 32, 41, 82, 164, 197, 328, 394, 656, 788, 1312, 1576, 3152, 6304, 8077, 16154, 32308, 64616, 129232, 258464]

約数ペア:

[(1, 258464), (2, 129232), (4, 64616), (8, 32308), (16, 16154), (32, 8077), (41, 6304), (82, 3152), (164, 1576), (197, 1312), (328, 788), (394, 656)]