28013958

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{37}}^1\times {\mathrm{2003}}^1$

素因数の和:2058

約数の個数: 64

約数和(自身を含む): 73105920

約数和(自身を除く): 45091962

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 37, 42, 54, 63, 74, 111, 126, 189, 222, 259, 333, 378, 518, 666, 777, 999, 1554, 1998, 2003, 2331, 4006, 4662, 6009, 6993, 12018, 13986, 14021, 18027, 28042, 36054, 42063, 54081, 74111, 84126, 108162, 126189, 148222, 222333, 252378, 378567, 444666, 518777, 666999, 757134, 1037554, 1333998, 1556331, 2000997, 3112662, 4001994, 4668993, 9337986, 14006979, 28013958]

約数ペア:

[(1, 28013958), (2, 14006979), (3, 9337986), (6, 4668993), (7, 4001994), (9, 3112662), (14, 2000997), (18, 1556331), (21, 1333998), (27, 1037554), (37, 757134), (42, 666999), (54, 518777), (63, 444666), (74, 378567), (111, 252378), (126, 222333), (189, 148222), (222, 126189), (259, 108162), (333, 84126), (378, 74111), (518, 54081), (666, 42063), (777, 36054), (999, 28042), (1554, 18027), (1998, 14021), (2003, 13986), (2331, 12018), (4006, 6993), (4662, 6009)]