137886988

素因数分解:

$2^2\times {\mathrm{89}}^1\times {\mathrm{409}}^1\times {\mathrm{947}}^1$

素因数の和:1449

約数の個数: 24

約数和(自身を含む): 244868400

約数和(自身を除く): 106981412

約数列:

[1, 2, 4, 89, 178, 356, 409, 818, 947, 1636, 1894, 3788, 36401, 72802, 84283, 145604, 168566, 337132, 387323, 774646, 1549292, 34471747, 68943494, 137886988]

約数ペア:

[(1, 137886988), (2, 68943494), (4, 34471747), (89, 1549292), (178, 774646), (356, 387323), (409, 337132), (818, 168566), (947, 145604), (1636, 84283), (1894, 72802), (3788, 36401)]