128983376

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{353}}^1\times {\mathrm{557}}^1$

素因数の和:959

約数の個数: 40

約数和(自身を含む): 257186664

約数和(自身を除く): 128203288

約数列:

[1, 2, 4, 8, 16, 41, 82, 164, 328, 353, 557, 656, 706, 1114, 1412, 2228, 2824, 4456, 5648, 8912, 14473, 22837, 28946, 45674, 57892, 91348, 115784, 182696, 196621, 231568, 365392, 393242, 786484, 1572968, 3145936, 8061461, 16122922, 32245844, 64491688, 128983376]

約数ペア:

[(1, 128983376), (2, 64491688), (4, 32245844), (8, 16122922), (16, 8061461), (41, 3145936), (82, 1572968), (164, 786484), (328, 393242), (353, 365392), (557, 231568), (656, 196621), (706, 182696), (1114, 115784), (1412, 91348), (2228, 57892), (2824, 45674), (4456, 28946), (5648, 22837), (8912, 14473)]