26989976

素因数分解:

$2^3\times {\mathrm{13}}^2\times {\mathrm{19963}}^1$

素因数の和:19995

約数の個数: 24

約数和(自身を含む): 54801180

約数和(自身を除く): 27811204

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 169, 338, 676, 1352, 19963, 39926, 79852, 159704, 259519, 519038, 1038076, 2076152, 3373747, 6747494, 13494988, 26989976]

約数ペア:

[(1, 26989976), (2, 13494988), (4, 6747494), (8, 3373747), (13, 2076152), (26, 1038076), (52, 519038), (104, 259519), (169, 159704), (338, 79852), (676, 39926), (1352, 19963)]