2177305

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1$

素因数の和:121

約数の個数: 32

約数和(自身を含む): 3104640

約数和(自身を除く): 927335

約数列:

[1, 5, 13, 19, 41, 43, 65, 95, 205, 215, 247, 533, 559, 779, 817, 1235, 1763, 2665, 2795, 3895, 4085, 8815, 10127, 10621, 22919, 33497, 50635, 53105, 114595, 167485, 435461, 2177305]

約数ペア:

[(1, 2177305), (5, 435461), (13, 167485), (19, 114595), (41, 53105), (43, 50635), (65, 33497), (95, 22919), (205, 10621), (215, 10127), (247, 8815), (533, 4085), (559, 3895), (779, 2795), (817, 2665), (1235, 1763)]