28184814

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{173}}^1\times {\mathrm{431}}^1$

素因数の和:622

約数の個数: 64

約数和(自身を含む): 72161280

約数和(自身を除く): 43976466

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 63, 126, 173, 189, 346, 378, 431, 519, 862, 1038, 1211, 1293, 1557, 2422, 2586, 3017, 3114, 3633, 3879, 4671, 6034, 7266, 7758, 9051, 9342, 10899, 11637, 18102, 21798, 23274, 27153, 32697, 54306, 65394, 74563, 81459, 149126, 162918, 223689, 447378, 521941, 671067, 1043882, 1342134, 1565823, 2013201, 3131646, 4026402, 4697469, 9394938, 14092407, 28184814]

約数ペア:

[(1, 28184814), (2, 14092407), (3, 9394938), (6, 4697469), (7, 4026402), (9, 3131646), (14, 2013201), (18, 1565823), (21, 1342134), (27, 1043882), (42, 671067), (54, 521941), (63, 447378), (126, 223689), (173, 162918), (189, 149126), (346, 81459), (378, 74563), (431, 65394), (519, 54306), (862, 32697), (1038, 27153), (1211, 23274), (1293, 21798), (1557, 18102), (2422, 11637), (2586, 10899), (3017, 9342), (3114, 9051), (3633, 7758), (3879, 7266), (4671, 6034)]