28691272

素因数分解:

$2^3\times {\mathrm{101}}^1\times {\mathrm{35509}}^1$

素因数の和:35616

約数の個数: 16

約数和(自身を含む): 54330300

約数和(自身を除く): 25639028

約数列:

[1, 2, 4, 8, 101, 202, 404, 808, 35509, 71018, 142036, 284072, 3586409, 7172818, 14345636, 28691272]

約数ペア:

[(1, 28691272), (2, 14345636), (4, 7172818), (8, 3586409), (101, 284072), (202, 142036), (404, 71018), (808, 35509)]