891088130

素因数分解:

$2^1\times 5^1\times {\mathrm{197}}^1\times {\mathrm{452329}}^1$

素因数の和:452533

約数の個数: 16

約数和(自身を含む): 1612104120

約数和(自身を除く): 721015990

約数列:

[1, 2, 5, 10, 197, 394, 985, 1970, 452329, 904658, 2261645, 4523290, 89108813, 178217626, 445544065, 891088130]

約数ペア:

[(1, 891088130), (2, 445544065), (5, 178217626), (10, 89108813), (197, 4523290), (394, 2261645), (985, 904658), (1970, 452329)]