207781518

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{269}}^1\times {\mathrm{347}}^1$

素因数の和:681

約数の個数: 64

約数和(自身を含む): 487088640

約数和(自身を除く): 279307122

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 53, 106, 159, 269, 318, 347, 371, 538, 694, 742, 807, 1041, 1113, 1614, 1883, 2082, 2226, 2429, 3766, 4858, 5649, 7287, 11298, 14257, 14574, 18391, 28514, 36782, 42771, 55173, 85542, 93343, 99799, 110346, 128737, 186686, 199598, 257474, 280029, 299397, 386211, 560058, 598794, 653401, 772422, 1306802, 1960203, 3920406, 4947179, 9894358, 14841537, 29683074, 34630253, 69260506, 103890759, 207781518]

約数ペア:

[(1, 207781518), (2, 103890759), (3, 69260506), (6, 34630253), (7, 29683074), (14, 14841537), (21, 9894358), (42, 4947179), (53, 3920406), (106, 1960203), (159, 1306802), (269, 772422), (318, 653401), (347, 598794), (371, 560058), (538, 386211), (694, 299397), (742, 280029), (807, 257474), (1041, 199598), (1113, 186686), (1614, 128737), (1883, 110346), (2082, 99799), (2226, 93343), (2429, 85542), (3766, 55173), (4858, 42771), (5649, 36782), (7287, 28514), (11298, 18391), (14257, 14574)]