28707965

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{40151}}^1$

素因数の和:40180

約数の個数: 16

約数和(自身を含む): 40473216

約数和(自身を除く): 11765251

約数列:

[1, 5, 11, 13, 55, 65, 143, 715, 40151, 200755, 441661, 521963, 2208305, 2609815, 5741593, 28707965]

約数ペア:

[(1, 28707965), (5, 5741593), (11, 2609815), (13, 2208305), (55, 521963), (65, 441661), (143, 200755), (715, 40151)]