28699804

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{739}}^1$

素因数の和:842

約数の個数: 48

約数和(自身を含む): 61331200

約数和(自身を除く): 32631396

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 73, 76, 133, 146, 266, 292, 511, 532, 739, 1022, 1387, 1478, 2044, 2774, 2956, 5173, 5548, 9709, 10346, 14041, 19418, 20692, 28082, 38836, 53947, 56164, 98287, 107894, 196574, 215788, 377629, 393148, 755258, 1024993, 1510516, 2049986, 4099972, 7174951, 14349902, 28699804]

約数ペア:

[(1, 28699804), (2, 14349902), (4, 7174951), (7, 4099972), (14, 2049986), (19, 1510516), (28, 1024993), (38, 755258), (73, 393148), (76, 377629), (133, 215788), (146, 196574), (266, 107894), (292, 98287), (511, 56164), (532, 53947), (739, 38836), (1022, 28082), (1387, 20692), (1478, 19418), (2044, 14041), (2774, 10346), (2956, 9709), (5173, 5548)]