81810028

素因数分解:

$2^2\times {\mathrm{61}}^1\times {\mathrm{233}}^1\times {\mathrm{1439}}^1$

素因数の和:1737

約数の個数: 24

約数和(自身を含む): 146240640

約数和(自身を除く): 64430612

約数列:

[1, 2, 4, 61, 122, 233, 244, 466, 932, 1439, 2878, 5756, 14213, 28426, 56852, 87779, 175558, 335287, 351116, 670574, 1341148, 20452507, 40905014, 81810028]

約数ペア:

[(1, 81810028), (2, 40905014), (4, 20452507), (61, 1341148), (122, 670574), (233, 351116), (244, 335287), (466, 175558), (932, 87779), (1439, 56852), (2878, 28426), (5756, 14213)]