128439268

素因数分解:

$2^2\times {\mathrm{23}}^1\times {\mathrm{67}}^2\times {\mathrm{311}}^1$

素因数の和:472

約数の個数: 36

約数和(自身を含む): 238859712

約数和(自身を除く): 110420444

約数列:

[1, 2, 4, 23, 46, 67, 92, 134, 268, 311, 622, 1244, 1541, 3082, 4489, 6164, 7153, 8978, 14306, 17956, 20837, 28612, 41674, 83348, 103247, 206494, 412988, 479251, 958502, 1396079, 1917004, 2792158, 5584316, 32109817, 64219634, 128439268]

約数ペア:

[(1, 128439268), (2, 64219634), (4, 32109817), (23, 5584316), (46, 2792158), (67, 1917004), (92, 1396079), (134, 958502), (268, 479251), (311, 412988), (622, 206494), (1244, 103247), (1541, 83348), (3082, 41674), (4489, 28612), (6164, 20837), (7153, 17956), (8978, 14306)]