203420984

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{199}}^1\times {\mathrm{9829}}^1$

素因数の和:10047

約数の個数: 32

約数和(自身を含む): 412860000

約数和(自身を除く): 209439016

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 199, 398, 796, 1592, 2587, 5174, 9829, 10348, 19658, 20696, 39316, 78632, 127777, 255554, 511108, 1022216, 1955971, 3911942, 7823884, 15647768, 25427623, 50855246, 101710492, 203420984]

約数ペア:

[(1, 203420984), (2, 101710492), (4, 50855246), (8, 25427623), (13, 15647768), (26, 7823884), (52, 3911942), (104, 1955971), (199, 1022216), (398, 511108), (796, 255554), (1592, 127777), (2587, 78632), (5174, 39316), (9829, 20696), (10348, 19658)]