28581385

素因数分解:

$5^1\times 7^1\times {\mathrm{29}}^2\times {\mathrm{971}}^1$

素因数の和:1041

約数の個数: 24

約数和(自身を含む): 40637376

約数和(自身を除く): 12055991

約数列:

[1, 5, 7, 29, 35, 145, 203, 841, 971, 1015, 4205, 4855, 5887, 6797, 28159, 29435, 33985, 140795, 197113, 816611, 985565, 4083055, 5716277, 28581385]

約数ペア:

[(1, 28581385), (5, 5716277), (7, 4083055), (29, 985565), (35, 816611), (145, 197113), (203, 140795), (841, 33985), (971, 29435), (1015, 28159), (4205, 6797), (4855, 5887)]