258761444

素因数分解:

$2^2\times {\mathrm{43}}^1\times {\mathrm{641}}^1\times {\mathrm{2347}}^1$

素因数の和:3035

約数の個数: 24

約数和(自身を含む): 464284128

約数和(自身を除く): 205522684

約数列:

[1, 2, 4, 43, 86, 172, 641, 1282, 2347, 2564, 4694, 9388, 27563, 55126, 100921, 110252, 201842, 403684, 1504427, 3008854, 6017708, 64690361, 129380722, 258761444]

約数ペア:

[(1, 258761444), (2, 129380722), (4, 64690361), (43, 6017708), (86, 3008854), (172, 1504427), (641, 403684), (1282, 201842), (2347, 110252), (2564, 100921), (4694, 55126), (9388, 27563)]