1020978

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{37}}^1\times {\mathrm{73}}^1$

素因数の和:128

約数の個数: 64

約数和(自身を含む): 2699520

約数和(自身を除く): 1678542

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 37, 42, 54, 63, 73, 74, 111, 126, 146, 189, 219, 222, 259, 333, 378, 438, 511, 518, 657, 666, 777, 999, 1022, 1314, 1533, 1554, 1971, 1998, 2331, 2701, 3066, 3942, 4599, 4662, 5402, 6993, 8103, 9198, 13797, 13986, 16206, 18907, 24309, 27594, 37814, 48618, 56721, 72927, 113442, 145854, 170163, 340326, 510489, 1020978]

約数ペア:

[(1, 1020978), (2, 510489), (3, 340326), (6, 170163), (7, 145854), (9, 113442), (14, 72927), (18, 56721), (21, 48618), (27, 37814), (37, 27594), (42, 24309), (54, 18907), (63, 16206), (73, 13986), (74, 13797), (111, 9198), (126, 8103), (146, 6993), (189, 5402), (219, 4662), (222, 4599), (259, 3942), (333, 3066), (378, 2701), (438, 2331), (511, 1998), (518, 1971), (657, 1554), (666, 1533), (777, 1314), (999, 1022)]