66661816

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{199}}^1\times {\mathrm{3221}}^1$

素因数の和:3439

約数の個数: 32

約数和(自身を含む): 135324000

約数和(自身を除く): 68662184

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 199, 398, 796, 1592, 2587, 3221, 5174, 6442, 10348, 12884, 20696, 25768, 41873, 83746, 167492, 334984, 640979, 1281958, 2563916, 5127832, 8332727, 16665454, 33330908, 66661816]

約数ペア:

[(1, 66661816), (2, 33330908), (4, 16665454), (8, 8332727), (13, 5127832), (26, 2563916), (52, 1281958), (104, 640979), (199, 334984), (398, 167492), (796, 83746), (1592, 41873), (2587, 25768), (3221, 20696), (5174, 12884), (6442, 10348)]