128496784

素因数分解:

$2^4\times {\mathrm{13}}^2\times {\mathrm{47521}}^1$

素因数の和:47555

約数の個数: 30

約数和(自身を含む): 269592306

約数和(自身を除く): 141095522

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 169, 208, 338, 676, 1352, 2704, 47521, 95042, 190084, 380168, 617773, 760336, 1235546, 2471092, 4942184, 8031049, 9884368, 16062098, 32124196, 64248392, 128496784]

約数ペア:

[(1, 128496784), (2, 64248392), (4, 32124196), (8, 16062098), (13, 9884368), (16, 8031049), (26, 4942184), (52, 2471092), (104, 1235546), (169, 760336), (208, 617773), (338, 380168), (676, 190084), (1352, 95042), (2704, 47521)]