209401907

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{2083}}^1$

素因数の和:2163

約数の個数: 32

約数和(自身を含む): 266085120

約数和(自身を除く): 56683213

約数列:

[1, 11, 13, 19, 37, 143, 209, 247, 407, 481, 703, 2083, 2717, 5291, 7733, 9139, 22913, 27079, 39577, 77071, 100529, 297869, 435347, 514501, 847781, 1001923, 1464349, 5659511, 11021153, 16107839, 19036537, 209401907]

約数ペア:

[(1, 209401907), (11, 19036537), (13, 16107839), (19, 11021153), (37, 5659511), (143, 1464349), (209, 1001923), (247, 847781), (407, 514501), (481, 435347), (703, 297869), (2083, 100529), (2717, 77071), (5291, 39577), (7733, 27079), (9139, 22913)]