31307276

素因数分解:

$2^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{1117}}^1$

素因数の和:1159

約数の個数: 72

約数和(自身を含む): 74941776

約数和(自身を除く): 43634500

約数列:

[1, 2, 4, 7, 11, 13, 14, 22, 26, 28, 44, 49, 52, 77, 91, 98, 143, 154, 182, 196, 286, 308, 364, 539, 572, 637, 1001, 1078, 1117, 1274, 2002, 2156, 2234, 2548, 4004, 4468, 7007, 7819, 12287, 14014, 14521, 15638, 24574, 28028, 29042, 31276, 49148, 54733, 58084, 86009, 101647, 109466, 159731, 172018, 203294, 218932, 319462, 344036, 406588, 602063, 638924, 711529, 1118117, 1204126, 1423058, 2236234, 2408252, 2846116, 4472468, 7826819, 15653638, 31307276]

約数ペア:

[(1, 31307276), (2, 15653638), (4, 7826819), (7, 4472468), (11, 2846116), (13, 2408252), (14, 2236234), (22, 1423058), (26, 1204126), (28, 1118117), (44, 711529), (49, 638924), (52, 602063), (77, 406588), (91, 344036), (98, 319462), (143, 218932), (154, 203294), (182, 172018), (196, 159731), (286, 109466), (308, 101647), (364, 86009), (539, 58084), (572, 54733), (637, 49148), (1001, 31276), (1078, 29042), (1117, 28028), (1274, 24574), (2002, 15638), (2156, 14521), (2234, 14014), (2548, 12287), (4004, 7819), (4468, 7007)]