209999735

素因数分解:

$5^1\times {\mathrm{11}}^2\times {\mathrm{31}}^1\times {\mathrm{11197}}^1$

素因数の和:11255

約数の個数: 24

約数和(自身を含む): 285952128

約数和(自身を除く): 75952393

約数列:

[1, 5, 11, 31, 55, 121, 155, 341, 605, 1705, 3751, 11197, 18755, 55985, 123167, 347107, 615835, 1354837, 1735535, 3818177, 6774185, 19090885, 41999947, 209999735]

約数ペア:

[(1, 209999735), (5, 41999947), (11, 19090885), (31, 6774185), (55, 3818177), (121, 1735535), (155, 1354837), (341, 615835), (605, 347107), (1705, 123167), (3751, 55985), (11197, 18755)]