1309385

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{179}}^1$

素因数の和:221

約数の個数: 32

約数和(自身を含む): 2073600

約数和(自身を除く): 764215

約数列:

[1, 5, 7, 11, 19, 35, 55, 77, 95, 133, 179, 209, 385, 665, 895, 1045, 1253, 1463, 1969, 3401, 6265, 7315, 9845, 13783, 17005, 23807, 37411, 68915, 119035, 187055, 261877, 1309385]

約数ペア:

[(1, 1309385), (5, 261877), (7, 187055), (11, 119035), (19, 68915), (35, 37411), (55, 23807), (77, 17005), (95, 13783), (133, 9845), (179, 7315), (209, 6265), (385, 3401), (665, 1969), (895, 1463), (1045, 1253)]