31302128

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{13681}}^1$

素因数の和:13713

約数の個数: 40

約数和(自身を含む): 71255856

約数和(自身を除く): 39953728

約数列:

[1, 2, 4, 8, 11, 13, 16, 22, 26, 44, 52, 88, 104, 143, 176, 208, 286, 572, 1144, 2288, 13681, 27362, 54724, 109448, 150491, 177853, 218896, 300982, 355706, 601964, 711412, 1203928, 1422824, 1956383, 2407856, 2845648, 3912766, 7825532, 15651064, 31302128]

約数ペア:

[(1, 31302128), (2, 15651064), (4, 7825532), (8, 3912766), (11, 2845648), (13, 2407856), (16, 1956383), (22, 1422824), (26, 1203928), (44, 711412), (52, 601964), (88, 355706), (104, 300982), (143, 218896), (176, 177853), (208, 150491), (286, 109448), (572, 54724), (1144, 27362), (2288, 13681)]