28719324

素因数分解:

$2^2\times 3^2\times {\mathrm{17}}^1\times {\mathrm{167}}^1\times {\mathrm{281}}^1$

素因数の和:475

約数の個数: 72

約数和(自身を含む): 77601888

約数和(自身を除く): 48882564

約数列:

[1, 2, 3, 4, 6, 9, 12, 17, 18, 34, 36, 51, 68, 102, 153, 167, 204, 281, 306, 334, 501, 562, 612, 668, 843, 1002, 1124, 1503, 1686, 2004, 2529, 2839, 3006, 3372, 4777, 5058, 5678, 6012, 8517, 9554, 10116, 11356, 14331, 17034, 19108, 25551, 28662, 34068, 42993, 46927, 51102, 57324, 85986, 93854, 102204, 140781, 171972, 187708, 281562, 422343, 563124, 797759, 844686, 1595518, 1689372, 2393277, 3191036, 4786554, 7179831, 9573108, 14359662, 28719324]

約数ペア:

[(1, 28719324), (2, 14359662), (3, 9573108), (4, 7179831), (6, 4786554), (9, 3191036), (12, 2393277), (17, 1689372), (18, 1595518), (34, 844686), (36, 797759), (51, 563124), (68, 422343), (102, 281562), (153, 187708), (167, 171972), (204, 140781), (281, 102204), (306, 93854), (334, 85986), (501, 57324), (562, 51102), (612, 46927), (668, 42993), (843, 34068), (1002, 28662), (1124, 25551), (1503, 19108), (1686, 17034), (2004, 14331), (2529, 11356), (2839, 10116), (3006, 9554), (3372, 8517), (4777, 6012), (5058, 5678)]