209250428

素因数分解:

$2^2\times {\mathrm{29}}^1\times {\mathrm{257}}^1\times {\mathrm{7019}}^1$

素因数の和:7309

約数の個数: 24

約数和(自身を含む): 380343600

約数和(自身を除く): 171093172

約数列:

[1, 2, 4, 29, 58, 116, 257, 514, 1028, 7019, 7453, 14038, 14906, 28076, 29812, 203551, 407102, 814204, 1803883, 3607766, 7215532, 52312607, 104625214, 209250428]

約数ペア:

[(1, 209250428), (2, 104625214), (4, 52312607), (29, 7215532), (58, 3607766), (116, 1803883), (257, 814204), (514, 407102), (1028, 203551), (7019, 29812), (7453, 28076), (14038, 14906)]