28617715

素因数分解:

$5^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{6871}}^1$

素因数の和:6907

約数の個数: 24

約数和(自身を含む): 42304032

約数和(自身を除く): 13686317

約数列:

[1, 5, 7, 17, 35, 49, 85, 119, 245, 595, 833, 4165, 6871, 34355, 48097, 116807, 240485, 336679, 584035, 817649, 1683395, 4088245, 5723543, 28617715]

約数ペア:

[(1, 28617715), (5, 5723543), (7, 4088245), (17, 1683395), (35, 817649), (49, 584035), (85, 336679), (119, 240485), (245, 116807), (595, 48097), (833, 34355), (4165, 6871)]