28409208

素因数分解:

$2^3\times 3^1\times {\mathrm{59}}^1\times {\mathrm{20063}}^1$

素因数の和:20131

約数の個数: 32

約数和(自身を含む): 72230400

約数和(自身を除く): 43821192

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 59, 118, 177, 236, 354, 472, 708, 1416, 20063, 40126, 60189, 80252, 120378, 160504, 240756, 481512, 1183717, 2367434, 3551151, 4734868, 7102302, 9469736, 14204604, 28409208]

約数ペア:

[(1, 28409208), (2, 14204604), (3, 9469736), (4, 7102302), (6, 4734868), (8, 3551151), (12, 2367434), (24, 1183717), (59, 481512), (118, 240756), (177, 160504), (236, 120378), (354, 80252), (472, 60189), (708, 40126), (1416, 20063)]