291213884

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{78877}}^1$

素因数の和:78965

約数の個数: 24

約数和(自身を含む): 556563168

約数和(自身を除く): 265349284

約数列:

[1, 2, 4, 13, 26, 52, 71, 142, 284, 923, 1846, 3692, 78877, 157754, 315508, 1025401, 2050802, 4101604, 5600267, 11200534, 22401068, 72803471, 145606942, 291213884]

約数ペア:

[(1, 291213884), (2, 145606942), (4, 72803471), (13, 22401068), (26, 11200534), (52, 5600267), (71, 4101604), (142, 2050802), (284, 1025401), (923, 315508), (1846, 157754), (3692, 78877)]