28557494

素因数分解:

$2^1\times 7^4\times {\mathrm{19}}^1\times {\mathrm{313}}^1$

素因数の和:362

約数の個数: 40

約数和(自身を含む): 52770840

約数和(自身を除く): 24213346

約数列:

[1, 2, 7, 14, 19, 38, 49, 98, 133, 266, 313, 343, 626, 686, 931, 1862, 2191, 2401, 4382, 4802, 5947, 6517, 11894, 13034, 15337, 30674, 41629, 45619, 83258, 91238, 107359, 214718, 291403, 582806, 751513, 1503026, 2039821, 4079642, 14278747, 28557494]

約数ペア:

[(1, 28557494), (2, 14278747), (7, 4079642), (14, 2039821), (19, 1503026), (38, 751513), (49, 582806), (98, 291403), (133, 214718), (266, 107359), (313, 91238), (343, 83258), (626, 45619), (686, 41629), (931, 30674), (1862, 15337), (2191, 13034), (2401, 11894), (4382, 6517), (4802, 5947)]