28880874

素因数分解:

$2^1\times 3^4\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{853}}^1$

素因数の和:897

約数の個数: 80

約数和(自身を含む): 74400480

約数和(自身を除く): 45519606

約数列:

[1, 2, 3, 6, 9, 11, 18, 19, 22, 27, 33, 38, 54, 57, 66, 81, 99, 114, 162, 171, 198, 209, 297, 342, 418, 513, 594, 627, 853, 891, 1026, 1254, 1539, 1706, 1782, 1881, 2559, 3078, 3762, 5118, 5643, 7677, 9383, 11286, 15354, 16207, 16929, 18766, 23031, 28149, 32414, 33858, 46062, 48621, 56298, 69093, 84447, 97242, 138186, 145863, 168894, 178277, 253341, 291726, 356554, 437589, 506682, 534831, 760023, 875178, 1069662, 1312767, 1520046, 1604493, 2625534, 3208986, 4813479, 9626958, 14440437, 28880874]

約数ペア:

[(1, 28880874), (2, 14440437), (3, 9626958), (6, 4813479), (9, 3208986), (11, 2625534), (18, 1604493), (19, 1520046), (22, 1312767), (27, 1069662), (33, 875178), (38, 760023), (54, 534831), (57, 506682), (66, 437589), (81, 356554), (99, 291726), (114, 253341), (162, 178277), (171, 168894), (198, 145863), (209, 138186), (297, 97242), (342, 84447), (418, 69093), (513, 56298), (594, 48621), (627, 46062), (853, 33858), (891, 32414), (1026, 28149), (1254, 23031), (1539, 18766), (1706, 16929), (1782, 16207), (1881, 15354), (2559, 11286), (3078, 9383), (3762, 7677), (5118, 5643)]