664804808

素因数分解:

$2^3\times {\mathrm{71}}^1\times {\mathrm{347}}^1\times {\mathrm{3373}}^1$

素因数の和:3797

約数の個数: 32

約数和(自身を含む): 1268084160

約数和(自身を除く): 603279352

約数列:

[1, 2, 4, 8, 71, 142, 284, 347, 568, 694, 1388, 2776, 3373, 6746, 13492, 24637, 26984, 49274, 98548, 197096, 239483, 478966, 957932, 1170431, 1915864, 2340862, 4681724, 9363448, 83100601, 166201202, 332402404, 664804808]

約数ペア:

[(1, 664804808), (2, 332402404), (4, 166201202), (8, 83100601), (71, 9363448), (142, 4681724), (284, 2340862), (347, 1915864), (568, 1170431), (694, 957932), (1388, 478966), (2776, 239483), (3373, 197096), (6746, 98548), (13492, 49274), (24637, 26984)]