128124836

素因数分解:

$2^2\times 7^1\times {\mathrm{41}}^1\times {\mathrm{233}}^1\times {\mathrm{479}}^1$

素因数の和:764

約数の個数: 48

約数和(自身を含む): 264176640

約数和(自身を除く): 136051804

約数列:

[1, 2, 4, 7, 14, 28, 41, 82, 164, 233, 287, 466, 479, 574, 932, 958, 1148, 1631, 1916, 3262, 3353, 6524, 6706, 9553, 13412, 19106, 19639, 38212, 39278, 66871, 78556, 111607, 133742, 137473, 223214, 267484, 274946, 446428, 549892, 781249, 1562498, 3124996, 4575887, 9151774, 18303548, 32031209, 64062418, 128124836]

約数ペア:

[(1, 128124836), (2, 64062418), (4, 32031209), (7, 18303548), (14, 9151774), (28, 4575887), (41, 3124996), (82, 1562498), (164, 781249), (233, 549892), (287, 446428), (466, 274946), (479, 267484), (574, 223214), (932, 137473), (958, 133742), (1148, 111607), (1631, 78556), (1916, 66871), (3262, 39278), (3353, 38212), (6524, 19639), (6706, 19106), (9553, 13412)]