42191815

素因数分解:

$5^1\times {\mathrm{43}}^1\times {\mathrm{311}}^1\times {\mathrm{631}}^1$

素因数の和:990

約数の個数: 16

約数和(自身を含む): 52056576

約数和(自身を除く): 9864761

約数列:

[1, 5, 43, 215, 311, 631, 1555, 3155, 13373, 27133, 66865, 135665, 196241, 981205, 8438363, 42191815]

約数ペア:

[(1, 42191815), (5, 8438363), (43, 981205), (215, 196241), (311, 135665), (631, 66865), (1555, 27133), (3155, 13373)]