209605

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{103}}^1$

素因数の和:156

約数の個数: 16

約数和(自身を含む): 284544

約数和(自身を除く): 74939

約数列:

[1, 5, 11, 37, 55, 103, 185, 407, 515, 1133, 2035, 3811, 5665, 19055, 41921, 209605]

約数ペア:

[(1, 209605), (5, 41921), (11, 19055), (37, 5665), (55, 3811), (103, 2035), (185, 1133), (407, 515)]