90187804

素因数分解:

$2^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{103903}}^1$

素因数の和:103945

約数の個数: 24

約数和(自身を含む): 186195968

約数和(自身を除く): 96008164

約数列:

[1, 2, 4, 7, 14, 28, 31, 62, 124, 217, 434, 868, 103903, 207806, 415612, 727321, 1454642, 2909284, 3220993, 6441986, 12883972, 22546951, 45093902, 90187804]

約数ペア:

[(1, 90187804), (2, 45093902), (4, 22546951), (7, 12883972), (14, 6441986), (28, 3220993), (31, 2909284), (62, 1454642), (124, 727321), (217, 415612), (434, 207806), (868, 103903)]