27998418

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{419}}^1$

素因数の和:511

約数の個数: 64

約数和(自身を含む): 67415040

約数和(自身を除く): 39416622

約数列:

[1, 2, 3, 6, 7, 14, 21, 37, 42, 43, 74, 86, 111, 129, 222, 258, 259, 301, 419, 518, 602, 777, 838, 903, 1257, 1554, 1591, 1806, 2514, 2933, 3182, 4773, 5866, 8799, 9546, 11137, 15503, 17598, 18017, 22274, 31006, 33411, 36034, 46509, 54051, 66822, 93018, 108102, 108521, 126119, 217042, 252238, 325563, 378357, 651126, 666629, 756714, 1333258, 1999887, 3999774, 4666403, 9332806, 13999209, 27998418]

約数ペア:

[(1, 27998418), (2, 13999209), (3, 9332806), (6, 4666403), (7, 3999774), (14, 1999887), (21, 1333258), (37, 756714), (42, 666629), (43, 651126), (74, 378357), (86, 325563), (111, 252238), (129, 217042), (222, 126119), (258, 108521), (259, 108102), (301, 93018), (419, 66822), (518, 54051), (602, 46509), (777, 36034), (838, 33411), (903, 31006), (1257, 22274), (1554, 18017), (1591, 17598), (1806, 15503), (2514, 11137), (2933, 9546), (3182, 8799), (4773, 5866)]