71389472

素因数分解:

$2^5\times 7^2\times {\mathrm{11}}^1\times {\mathrm{4139}}^1$

素因数の和:4174

約数の個数: 72

約数和(自身を含む): 178400880

約数和(自身を除く): 107011408

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 32, 44, 49, 56, 77, 88, 98, 112, 154, 176, 196, 224, 308, 352, 392, 539, 616, 784, 1078, 1232, 1568, 2156, 2464, 4139, 4312, 8278, 8624, 16556, 17248, 28973, 33112, 45529, 57946, 66224, 91058, 115892, 132448, 182116, 202811, 231784, 318703, 364232, 405622, 463568, 637406, 728464, 811244, 927136, 1274812, 1456928, 1622488, 2230921, 2549624, 3244976, 4461842, 5099248, 6489952, 8923684, 10198496, 17847368, 35694736, 71389472]

約数ペア:

[(1, 71389472), (2, 35694736), (4, 17847368), (7, 10198496), (8, 8923684), (11, 6489952), (14, 5099248), (16, 4461842), (22, 3244976), (28, 2549624), (32, 2230921), (44, 1622488), (49, 1456928), (56, 1274812), (77, 927136), (88, 811244), (98, 728464), (112, 637406), (154, 463568), (176, 405622), (196, 364232), (224, 318703), (308, 231784), (352, 202811), (392, 182116), (539, 132448), (616, 115892), (784, 91058), (1078, 66224), (1232, 57946), (1568, 45529), (2156, 33112), (2464, 28973), (4139, 17248), (4312, 16556), (8278, 8624)]