40490422

素因数分解:

$2^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{20807}}^1$

素因数の和:20955

約数の個数: 16

約数和(自身を含む): 69914880

約数和(自身を除く): 29424458

約数列:

[1, 2, 7, 14, 139, 278, 973, 1946, 20807, 41614, 145649, 291298, 2892173, 5784346, 20245211, 40490422]

約数ペア:

[(1, 40490422), (2, 20245211), (7, 5784346), (14, 2892173), (139, 291298), (278, 145649), (973, 41614), (1946, 20807)]