663955490

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{262433}}^1$

素因数の和:262474

約数の個数: 32

約数和(自身を含む): 1360457856

約数和(自身を除く): 696502366

約数列:

[1, 2, 5, 10, 11, 22, 23, 46, 55, 110, 115, 230, 253, 506, 1265, 2530, 262433, 524866, 1312165, 2624330, 2886763, 5773526, 6035959, 12071918, 14433815, 28867630, 30179795, 60359590, 66395549, 132791098, 331977745, 663955490]

約数ペア:

[(1, 663955490), (2, 331977745), (5, 132791098), (10, 66395549), (11, 60359590), (22, 30179795), (23, 28867630), (46, 14433815), (55, 12071918), (110, 6035959), (115, 5773526), (230, 2886763), (253, 2624330), (506, 1312165), (1265, 524866), (2530, 262433)]