28708528

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{107}}^1\times {\mathrm{409}}^1$

素因数の和:565

約数の個数: 40

約数和(自身を含む): 57652560

約数和(自身を除く): 28944032

約数列:

[1, 2, 4, 8, 16, 41, 82, 107, 164, 214, 328, 409, 428, 656, 818, 856, 1636, 1712, 3272, 4387, 6544, 8774, 16769, 17548, 33538, 35096, 43763, 67076, 70192, 87526, 134152, 175052, 268304, 350104, 700208, 1794283, 3588566, 7177132, 14354264, 28708528]

約数ペア:

[(1, 28708528), (2, 14354264), (4, 7177132), (8, 3588566), (16, 1794283), (41, 700208), (82, 350104), (107, 268304), (164, 175052), (214, 134152), (328, 87526), (409, 70192), (428, 67076), (656, 43763), (818, 35096), (856, 33538), (1636, 17548), (1712, 16769), (3272, 8774), (4387, 6544)]