64491688

素因数分解:

$2^3\times {\mathrm{41}}^1\times {\mathrm{353}}^1\times {\mathrm{557}}^1$

素因数の和:957

約数の個数: 32

約数和(自身を含む): 124445160

約数和(自身を除く): 59953472

約数列:

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

約数ペア:

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