68581552

素因数分解:

$2^4\times {\mathrm{13}}^3\times {\mathrm{1951}}^1$

素因数の和:1998

約数の個数: 40

約数和(自身を含む): 144018560

約数和(自身を除く): 75437008

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 169, 208, 338, 676, 1352, 1951, 2197, 2704, 3902, 4394, 7804, 8788, 15608, 17576, 25363, 31216, 35152, 50726, 101452, 202904, 329719, 405808, 659438, 1318876, 2637752, 4286347, 5275504, 8572694, 17145388, 34290776, 68581552]

約数ペア:

[(1, 68581552), (2, 34290776), (4, 17145388), (8, 8572694), (13, 5275504), (16, 4286347), (26, 2637752), (52, 1318876), (104, 659438), (169, 405808), (208, 329719), (338, 202904), (676, 101452), (1352, 50726), (1951, 35152), (2197, 31216), (2704, 25363), (3902, 17576), (4394, 15608), (7804, 8788)]