405768964

素因数分解:

$2^2\times {\mathrm{41}}^1\times {\mathrm{79}}^1\times {\mathrm{31319}}^1$

素因数の和:31443

約数の個数: 24

約数和(自身を含む): 736646400

約数和(自身を除く): 330877436

約数列:

[1, 2, 4, 41, 79, 82, 158, 164, 316, 3239, 6478, 12956, 31319, 62638, 125276, 1284079, 2474201, 2568158, 4948402, 5136316, 9896804, 101442241, 202884482, 405768964]

約数ペア:

[(1, 405768964), (2, 202884482), (4, 101442241), (41, 9896804), (79, 5136316), (82, 4948402), (158, 2568158), (164, 2474201), (316, 1284079), (3239, 125276), (6478, 62638), (12956, 31319)]