12640532

素因数分解:

$2^2\times {\mathrm{37}}^1\times {\mathrm{223}}^1\times {\mathrm{383}}^1$

素因数の和:647

約数の個数: 24

約数和(自身を含む): 22880256

約数和(自身を除く): 10239724

約数列:

[1, 2, 4, 37, 74, 148, 223, 383, 446, 766, 892, 1532, 8251, 14171, 16502, 28342, 33004, 56684, 85409, 170818, 341636, 3160133, 6320266, 12640532]

約数ペア:

[(1, 12640532), (2, 6320266), (4, 3160133), (37, 341636), (74, 170818), (148, 85409), (223, 56684), (383, 33004), (446, 28342), (766, 16502), (892, 14171), (1532, 8251)]