221520284

素因数分解:

$2^2\times {\mathrm{53}}^1\times {\mathrm{71}}^1\times {\mathrm{14717}}^1$

素因数の和:14845

約数の個数: 24

約数和(自身を含む): 400565088

約数和(自身を除く): 179044804

約数列:

[1, 2, 4, 53, 71, 106, 142, 212, 284, 3763, 7526, 14717, 15052, 29434, 58868, 780001, 1044907, 1560002, 2089814, 3120004, 4179628, 55380071, 110760142, 221520284]

約数ペア:

[(1, 221520284), (2, 110760142), (4, 55380071), (53, 4179628), (71, 3120004), (106, 2089814), (142, 1560002), (212, 1044907), (284, 780001), (3763, 58868), (7526, 29434), (14717, 15052)]