1557804948

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{639493}}^1$

素因数の和:639536

約数の個数: 48

約数和(自身を含む): 4297399680

約数和(自身を除く): 2739594732

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 29, 42, 58, 84, 87, 116, 174, 203, 348, 406, 609, 812, 1218, 2436, 639493, 1278986, 1918479, 2557972, 3836958, 4476451, 7673916, 8952902, 13429353, 17905804, 18545297, 26858706, 37090594, 53717412, 55635891, 74181188, 111271782, 129817079, 222543564, 259634158, 389451237, 519268316, 778902474, 1557804948]

約数ペア:

[(1, 1557804948), (2, 778902474), (3, 519268316), (4, 389451237), (6, 259634158), (7, 222543564), (12, 129817079), (14, 111271782), (21, 74181188), (28, 55635891), (29, 53717412), (42, 37090594), (58, 26858706), (84, 18545297), (87, 17905804), (116, 13429353), (174, 8952902), (203, 7673916), (348, 4476451), (406, 3836958), (609, 2557972), (812, 1918479), (1218, 1278986), (2436, 639493)]