42001978

素因数分解:

$2^1\times {\mathrm{173}}^1\times {\mathrm{233}}^1\times {\mathrm{521}}^1$

素因数の和:929

約数の個数: 16

約数和(自身を含む): 63761256

約数和(自身を除く): 21759278

約数列:

[1, 2, 173, 233, 346, 466, 521, 1042, 40309, 80618, 90133, 121393, 180266, 242786, 21000989, 42001978]

約数ペア:

[(1, 42001978), (2, 21000989), (173, 242786), (233, 180266), (346, 121393), (466, 90133), (521, 80618), (1042, 40309)]