128049370

素因数分解:

$2^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{209917}}^1$

素因数の和:209985

約数の個数: 16

約数和(自身を含む): 234268488

約数和(自身を除く): 106219118

約数列:

[1, 2, 5, 10, 61, 122, 305, 610, 209917, 419834, 1049585, 2099170, 12804937, 25609874, 64024685, 128049370]

約数ペア:

[(1, 128049370), (2, 64024685), (5, 25609874), (10, 12804937), (61, 2099170), (122, 1049585), (305, 419834), (610, 209917)]