2217965

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{631}}^1$

素因数の和:692

約数の個数: 16

約数和(自身を含む): 2881920

約数和(自身を除く): 663955

約数列:

[1, 5, 19, 37, 95, 185, 631, 703, 3155, 3515, 11989, 23347, 59945, 116735, 443593, 2217965]

約数ペア:

[(1, 2217965), (5, 443593), (19, 116735), (37, 59945), (95, 23347), (185, 11989), (631, 3515), (703, 3155)]