248451855

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^2\times {\mathrm{37}}^1\times {\mathrm{1549}}^1$

素因数の和:1628

約数の個数: 48

約数和(自身を含む): 433975200

約数和(自身を除く): 185523345

約数列:

[1, 3, 5, 15, 17, 37, 51, 85, 111, 185, 255, 289, 555, 629, 867, 1445, 1549, 1887, 3145, 4335, 4647, 7745, 9435, 10693, 23235, 26333, 32079, 53465, 57313, 78999, 131665, 160395, 171939, 286565, 394995, 447661, 859695, 974321, 1342983, 2238305, 2922963, 4871605, 6714915, 14614815, 16563457, 49690371, 82817285, 248451855]

約数ペア:

[(1, 248451855), (3, 82817285), (5, 49690371), (15, 16563457), (17, 14614815), (37, 6714915), (51, 4871605), (85, 2922963), (111, 2238305), (185, 1342983), (255, 974321), (289, 859695), (555, 447661), (629, 394995), (867, 286565), (1445, 171939), (1549, 160395), (1887, 131665), (3145, 78999), (4335, 57313), (4647, 53465), (7745, 32079), (9435, 26333), (10693, 23235)]