87149804

素因数分解:

$2^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{100403}}^1$

素因数の和:100445

約数の個数: 24

約数和(自身を含む): 179923968

約数和(自身を除く): 92774164

約数列:

[1, 2, 4, 7, 14, 28, 31, 62, 124, 217, 434, 868, 100403, 200806, 401612, 702821, 1405642, 2811284, 3112493, 6224986, 12449972, 21787451, 43574902, 87149804]

約数ペア:

[(1, 87149804), (2, 43574902), (4, 21787451), (7, 12449972), (14, 6224986), (28, 3112493), (31, 2811284), (62, 1405642), (124, 702821), (217, 401612), (434, 200806), (868, 100403)]