28745784

素因数分解:

$2^3\times 3^2\times {\mathrm{19}}^1\times {\mathrm{21013}}^1$

素因数の和:21044

約数の個数: 48

約数和(自身を含む): 81954600

約数和(自身を除く): 53208816

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 19, 24, 36, 38, 57, 72, 76, 114, 152, 171, 228, 342, 456, 684, 1368, 21013, 42026, 63039, 84052, 126078, 168104, 189117, 252156, 378234, 399247, 504312, 756468, 798494, 1197741, 1512936, 1596988, 2395482, 3193976, 3593223, 4790964, 7186446, 9581928, 14372892, 28745784]

約数ペア:

[(1, 28745784), (2, 14372892), (3, 9581928), (4, 7186446), (6, 4790964), (8, 3593223), (9, 3193976), (12, 2395482), (18, 1596988), (19, 1512936), (24, 1197741), (36, 798494), (38, 756468), (57, 504312), (72, 399247), (76, 378234), (114, 252156), (152, 189117), (171, 168104), (228, 126078), (342, 84052), (456, 63039), (684, 42026), (1368, 21013)]