618828

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{139}}^1$

素因数の和:206

約数の個数: 48

約数和(自身を含む): 1693440

約数和(自身を除く): 1074612

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 53, 84, 106, 139, 159, 212, 278, 318, 371, 417, 556, 636, 742, 834, 973, 1113, 1484, 1668, 1946, 2226, 2919, 3892, 4452, 5838, 7367, 11676, 14734, 22101, 29468, 44202, 51569, 88404, 103138, 154707, 206276, 309414, 618828]

約数ペア:

[(1, 618828), (2, 309414), (3, 206276), (4, 154707), (6, 103138), (7, 88404), (12, 51569), (14, 44202), (21, 29468), (28, 22101), (42, 14734), (53, 11676), (84, 7367), (106, 5838), (139, 4452), (159, 3892), (212, 2919), (278, 2226), (318, 1946), (371, 1668), (417, 1484), (556, 1113), (636, 973), (742, 834)]