2557044

素因数分解:

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

素因数の和:229

約数の個数: 72

約数和(自身を含む): 7542080

約数和(自身を除く): 4985036

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 73, 84, 126, 139, 146, 219, 252, 278, 292, 417, 438, 511, 556, 657, 834, 876, 973, 1022, 1251, 1314, 1533, 1668, 1946, 2044, 2502, 2628, 2919, 3066, 3892, 4599, 5004, 5838, 6132, 8757, 9198, 10147, 11676, 17514, 18396, 20294, 30441, 35028, 40588, 60882, 71029, 91323, 121764, 142058, 182646, 213087, 284116, 365292, 426174, 639261, 852348, 1278522, 2557044]

約数ペア:

[(1, 2557044), (2, 1278522), (3, 852348), (4, 639261), (6, 426174), (7, 365292), (9, 284116), (12, 213087), (14, 182646), (18, 142058), (21, 121764), (28, 91323), (36, 71029), (42, 60882), (63, 40588), (73, 35028), (84, 30441), (126, 20294), (139, 18396), (146, 17514), (219, 11676), (252, 10147), (278, 9198), (292, 8757), (417, 6132), (438, 5838), (511, 5004), (556, 4599), (657, 3892), (834, 3066), (876, 2919), (973, 2628), (1022, 2502), (1251, 2044), (1314, 1946), (1533, 1668)]