401075668

素因数分解:

$2^2\times 7^1\times {\mathrm{67}}^1\times {\mathrm{439}}^1\times {\mathrm{487}}^1$

素因数の和:1004

約数の個数: 48

約数和(自身を含む): 817653760

約数和(自身を除く): 416578092

約数列:

[1, 2, 4, 7, 14, 28, 67, 134, 268, 439, 469, 487, 878, 938, 974, 1756, 1876, 1948, 3073, 3409, 6146, 6818, 12292, 13636, 29413, 32629, 58826, 65258, 117652, 130516, 205891, 213793, 228403, 411782, 427586, 456806, 823564, 855172, 913612, 1496551, 2993102, 5986204, 14324131, 28648262, 57296524, 100268917, 200537834, 401075668]

約数ペア:

[(1, 401075668), (2, 200537834), (4, 100268917), (7, 57296524), (14, 28648262), (28, 14324131), (67, 5986204), (134, 2993102), (268, 1496551), (439, 913612), (469, 855172), (487, 823564), (878, 456806), (938, 427586), (974, 411782), (1756, 228403), (1876, 213793), (1948, 205891), (3073, 130516), (3409, 117652), (6146, 65258), (6818, 58826), (12292, 32629), (13636, 29413)]