13680056

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{199}}^1\times {\mathrm{661}}^1$

素因数の和:879

約数の個数: 32

約数和(自身を含む): 27804000

約数和(自身を除く): 14123944

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 199, 398, 661, 796, 1322, 1592, 2587, 2644, 5174, 5288, 8593, 10348, 17186, 20696, 34372, 68744, 131539, 263078, 526156, 1052312, 1710007, 3420014, 6840028, 13680056]

約数ペア:

[(1, 13680056), (2, 6840028), (4, 3420014), (8, 1710007), (13, 1052312), (26, 526156), (52, 263078), (104, 131539), (199, 68744), (398, 34372), (661, 20696), (796, 17186), (1322, 10348), (1592, 8593), (2587, 5288), (2644, 5174)]