28297745

素因数分解:

$5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{6079}}^1$

素因数の和:6117

約数の個数: 24

約数和(自身を含む): 41587200

約数和(自身を除く): 13289455

約数列:

[1, 5, 7, 19, 35, 49, 95, 133, 245, 665, 931, 4655, 6079, 30395, 42553, 115501, 212765, 297871, 577505, 808507, 1489355, 4042535, 5659549, 28297745]

約数ペア:

[(1, 28297745), (5, 5659549), (7, 4042535), (19, 1489355), (35, 808507), (49, 577505), (95, 297871), (133, 212765), (245, 115501), (665, 42553), (931, 30395), (4655, 6079)]