256230812

素因数分解:

$2^2\times {\mathrm{41}}^1\times {\mathrm{79}}^1\times {\mathrm{19777}}^1$

素因数の和:19901

約数の個数: 24

約数和(自身を含む): 465178560

約数和(自身を除く): 208947748

約数列:

[1, 2, 4, 41, 79, 82, 158, 164, 316, 3239, 6478, 12956, 19777, 39554, 79108, 810857, 1562383, 1621714, 3124766, 3243428, 6249532, 64057703, 128115406, 256230812]

約数ペア:

[(1, 256230812), (2, 128115406), (4, 64057703), (41, 6249532), (79, 3243428), (82, 3124766), (158, 1621714), (164, 1562383), (316, 810857), (3239, 79108), (6478, 39554), (12956, 19777)]