31363128

素因数分解:

$2^3\times 3^2\times {\mathrm{659}}^1\times {\mathrm{661}}^1$

素因数の和:1332

約数の個数: 48

約数和(自身を含む): 85199400

約数和(自身を除く): 53836272

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 659, 661, 1318, 1322, 1977, 1983, 2636, 2644, 3954, 3966, 5272, 5288, 5931, 5949, 7908, 7932, 11862, 11898, 15816, 15864, 23724, 23796, 47448, 47592, 435599, 871198, 1306797, 1742396, 2613594, 3484792, 3920391, 5227188, 7840782, 10454376, 15681564, 31363128]

約数ペア:

[(1, 31363128), (2, 15681564), (3, 10454376), (4, 7840782), (6, 5227188), (8, 3920391), (9, 3484792), (12, 2613594), (18, 1742396), (24, 1306797), (36, 871198), (72, 435599), (659, 47592), (661, 47448), (1318, 23796), (1322, 23724), (1977, 15864), (1983, 15816), (2636, 11898), (2644, 11862), (3954, 7932), (3966, 7908), (5272, 5949), (5288, 5931)]