28727468

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{4909}}^1$

素因数の和:4950

約数の個数: 48

約数和(自身を含む): 65990400

約数和(自身を除く): 37262932

約数列:

[1, 2, 4, 7, 11, 14, 19, 22, 28, 38, 44, 76, 77, 133, 154, 209, 266, 308, 418, 532, 836, 1463, 2926, 4909, 5852, 9818, 19636, 34363, 53999, 68726, 93271, 107998, 137452, 186542, 215996, 373084, 377993, 652897, 755986, 1025981, 1305794, 1511972, 2051962, 2611588, 4103924, 7181867, 14363734, 28727468]

約数ペア:

[(1, 28727468), (2, 14363734), (4, 7181867), (7, 4103924), (11, 2611588), (14, 2051962), (19, 1511972), (22, 1305794), (28, 1025981), (38, 755986), (44, 652897), (76, 377993), (77, 373084), (133, 215996), (154, 186542), (209, 137452), (266, 107998), (308, 93271), (418, 68726), (532, 53999), (836, 34363), (1463, 19636), (2926, 9818), (4909, 5852)]