28545265

素因数分解:

$5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{26309}}^1$

素因数の和:26352

約数の個数: 16

約数和(自身を含む): 40412160

約数和(自身を除く): 11866895

約数列:

[1, 5, 7, 31, 35, 155, 217, 1085, 26309, 131545, 184163, 815579, 920815, 4077895, 5709053, 28545265]

約数ペア:

[(1, 28545265), (5, 5709053), (7, 4077895), (31, 920815), (35, 815579), (155, 184163), (217, 131545), (1085, 26309)]