221188588

素因数分解:

$2^2\times {\mathrm{281}}^1\times {\mathrm{307}}^1\times {\mathrm{641}}^1$

素因数の和:1233

約数の個数: 24

約数和(自身を含む): 390330864

約数和(自身を除く): 169142276

約数列:

[1, 2, 4, 281, 307, 562, 614, 641, 1124, 1228, 1282, 2564, 86267, 172534, 180121, 196787, 345068, 360242, 393574, 720484, 787148, 55297147, 110594294, 221188588]

約数ペア:

[(1, 221188588), (2, 110594294), (4, 55297147), (281, 787148), (307, 720484), (562, 393574), (614, 360242), (641, 345068), (1124, 196787), (1228, 180121), (1282, 172534), (2564, 86267)]