16557645

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{109}}^1$

素因数の和:190

約数の個数: 64

約数和(自身を含む): 31046400

約数和(自身を除く): 14488755

約数列:

[1, 3, 5, 13, 15, 19, 39, 41, 57, 65, 95, 109, 123, 195, 205, 247, 285, 327, 533, 545, 615, 741, 779, 1235, 1417, 1599, 1635, 2071, 2337, 2665, 3705, 3895, 4251, 4469, 6213, 7085, 7995, 10127, 10355, 11685, 13407, 21255, 22345, 26923, 30381, 31065, 50635, 58097, 67035, 80769, 84911, 134615, 151905, 174291, 254733, 290485, 403845, 424555, 871455, 1103843, 1273665, 3311529, 5519215, 16557645]

約数ペア:

[(1, 16557645), (3, 5519215), (5, 3311529), (13, 1273665), (15, 1103843), (19, 871455), (39, 424555), (41, 403845), (57, 290485), (65, 254733), (95, 174291), (109, 151905), (123, 134615), (195, 84911), (205, 80769), (247, 67035), (285, 58097), (327, 50635), (533, 31065), (545, 30381), (615, 26923), (741, 22345), (779, 21255), (1235, 13407), (1417, 11685), (1599, 10355), (1635, 10127), (2071, 7995), (2337, 7085), (2665, 6213), (3705, 4469), (3895, 4251)]