16257857

素因数分解:

$7^3\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{139}}^1$

素因数の和:202

約数の個数: 32

約数和(自身を含む): 21504000

約数和(自身を除く): 5246143

約数列:

[1, 7, 11, 31, 49, 77, 139, 217, 341, 343, 539, 973, 1519, 1529, 2387, 3773, 4309, 6811, 10633, 10703, 16709, 30163, 47399, 47677, 74921, 116963, 211141, 331793, 524447, 1477987, 2322551, 16257857]

約数ペア:

[(1, 16257857), (7, 2322551), (11, 1477987), (31, 524447), (49, 331793), (77, 211141), (139, 116963), (217, 74921), (341, 47677), (343, 47399), (539, 30163), (973, 16709), (1519, 10703), (1529, 10633), (2387, 6811), (3773, 4309)]