561297275

素因数分解:

$5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{6781}}^1$

素因数の和:6852

約数の個数: 48

約数和(自身を含む): 888062208

約数和(自身を除く): 326764933

約数列:

[1, 5, 7, 11, 25, 35, 43, 55, 77, 175, 215, 275, 301, 385, 473, 1075, 1505, 1925, 2365, 3311, 6781, 7525, 11825, 16555, 33905, 47467, 74591, 82775, 169525, 237335, 291583, 372955, 522137, 1186675, 1457915, 1864775, 2041081, 2610685, 3207413, 7289575, 10205405, 13053425, 16037065, 22451891, 51027025, 80185325, 112259455, 561297275]

約数ペア:

[(1, 561297275), (5, 112259455), (7, 80185325), (11, 51027025), (25, 22451891), (35, 16037065), (43, 13053425), (55, 10205405), (77, 7289575), (175, 3207413), (215, 2610685), (275, 2041081), (301, 1864775), (385, 1457915), (473, 1186675), (1075, 522137), (1505, 372955), (1925, 291583), (2365, 237335), (3311, 169525), (6781, 82775), (7525, 74591), (11825, 47467), (16555, 33905)]