1278522

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{73}}^1\times {\mathrm{139}}^1$

素因数の和:227

約数の個数: 48

約数和(自身を含む): 3232320

約数和(自身を除く): 1953798

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 73, 126, 139, 146, 219, 278, 417, 438, 511, 657, 834, 973, 1022, 1251, 1314, 1533, 1946, 2502, 2919, 3066, 4599, 5838, 8757, 9198, 10147, 17514, 20294, 30441, 60882, 71029, 91323, 142058, 182646, 213087, 426174, 639261, 1278522]

約数ペア:

[(1, 1278522), (2, 639261), (3, 426174), (6, 213087), (7, 182646), (9, 142058), (14, 91323), (18, 71029), (21, 60882), (42, 30441), (63, 20294), (73, 17514), (126, 10147), (139, 9198), (146, 8757), (219, 5838), (278, 4599), (417, 3066), (438, 2919), (511, 2502), (657, 1946), (834, 1533), (973, 1314), (1022, 1251)]