81942068

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{10037}}^1$

素因数の和:10211

約数の個数: 24

約数和(自身を含む): 155428392

約数和(自身を除く): 73486324

約数列:

[1, 2, 4, 13, 26, 52, 157, 314, 628, 2041, 4082, 8164, 10037, 20074, 40148, 130481, 260962, 521924, 1575809, 3151618, 6303236, 20485517, 40971034, 81942068]

約数ペア:

[(1, 81942068), (2, 40971034), (4, 20485517), (13, 6303236), (26, 3151618), (52, 1575809), (157, 521924), (314, 260962), (628, 130481), (2041, 40148), (4082, 20074), (8164, 10037)]