31226990

素因数分解:

$2^1\times 5^1\times {\mathrm{1669}}^1\times {\mathrm{1871}}^1$

素因数の和:3547

約数の個数: 16

約数和(自身を含む): 56272320

約数和(自身を除く): 25045330

約数列:

[1, 2, 5, 10, 1669, 1871, 3338, 3742, 8345, 9355, 16690, 18710, 3122699, 6245398, 15613495, 31226990]

約数ペア:

[(1, 31226990), (2, 15613495), (5, 6245398), (10, 3122699), (1669, 18710), (1871, 16690), (3338, 9355), (3742, 8345)]