289744

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{199}}^1$

素因数の和:227

約数の個数: 40

約数和(自身を含む): 694400

約数和(自身を除く): 404656

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 56, 91, 104, 112, 182, 199, 208, 364, 398, 728, 796, 1393, 1456, 1592, 2587, 2786, 3184, 5174, 5572, 10348, 11144, 18109, 20696, 22288, 36218, 41392, 72436, 144872, 289744]

約数ペア:

[(1, 289744), (2, 144872), (4, 72436), (7, 41392), (8, 36218), (13, 22288), (14, 20696), (16, 18109), (26, 11144), (28, 10348), (52, 5572), (56, 5174), (91, 3184), (104, 2786), (112, 2587), (182, 1592), (199, 1456), (208, 1393), (364, 796), (398, 728)]