31289248

素因数分解:

$2^5\times {\mathrm{17}}^1\times {\mathrm{113}}^1\times {\mathrm{509}}^1$

素因数の和:649

約数の個数: 48

約数和(自身を含む): 65930760

約数和(自身を除く): 34641512

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 68, 113, 136, 226, 272, 452, 509, 544, 904, 1018, 1808, 1921, 2036, 3616, 3842, 4072, 7684, 8144, 8653, 15368, 16288, 17306, 30736, 34612, 57517, 61472, 69224, 115034, 138448, 230068, 276896, 460136, 920272, 977789, 1840544, 1955578, 3911156, 7822312, 15644624, 31289248]

約数ペア:

[(1, 31289248), (2, 15644624), (4, 7822312), (8, 3911156), (16, 1955578), (17, 1840544), (32, 977789), (34, 920272), (68, 460136), (113, 276896), (136, 230068), (226, 138448), (272, 115034), (452, 69224), (509, 61472), (544, 57517), (904, 34612), (1018, 30736), (1808, 17306), (1921, 16288), (2036, 15368), (3616, 8653), (3842, 8144), (4072, 7684)]