209500558

素因数分解:

$2^1\times {\mathrm{43}}^1\times {\mathrm{67}}^1\times {\mathrm{103}}^1\times {\mathrm{353}}^1$

素因数の和:568

約数の個数: 32

約数和(自身を含む): 330460416

約数和(自身を除く): 120959858

約数列:

[1, 2, 43, 67, 86, 103, 134, 206, 353, 706, 2881, 4429, 5762, 6901, 8858, 13802, 15179, 23651, 30358, 36359, 47302, 72718, 296743, 593486, 1016993, 1563437, 2033986, 2436053, 3126874, 4872106, 104750279, 209500558]

約数ペア:

[(1, 209500558), (2, 104750279), (43, 4872106), (67, 3126874), (86, 2436053), (103, 2033986), (134, 1563437), (206, 1016993), (353, 593486), (706, 296743), (2881, 72718), (4429, 47302), (5762, 36359), (6901, 30358), (8858, 23651), (13802, 15179)]