2090209

素因数分解:

${\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{137}}^1$

素因数の和:240

約数の個数: 16

約数和(自身を含む): 2450880

約数和(自身を除く): 360671

約数列:

[1, 11, 19, 73, 137, 209, 803, 1387, 1507, 2603, 10001, 15257, 28633, 110011, 190019, 2090209]

約数ペア:

[(1, 2090209), (11, 190019), (19, 110011), (73, 28633), (137, 15257), (209, 10001), (803, 2603), (1387, 1507)]