77985215

素因数分解:

$5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{1523}}^1$

素因数の和:1572

約数の個数: 48

約数和(自身を含む): 125089920

約数和(自身を除く): 47104705

約数列:

[1, 5, 7, 11, 19, 35, 49, 55, 77, 95, 133, 209, 245, 385, 539, 665, 931, 1045, 1463, 1523, 2695, 4655, 7315, 7615, 10241, 10661, 16753, 28937, 51205, 53305, 74627, 83765, 117271, 144685, 202559, 318307, 373135, 586355, 820897, 1012795, 1417913, 1591535, 2228149, 4104485, 7089565, 11140745, 15597043, 77985215]

約数ペア:

[(1, 77985215), (5, 15597043), (7, 11140745), (11, 7089565), (19, 4104485), (35, 2228149), (49, 1591535), (55, 1417913), (77, 1012795), (95, 820897), (133, 586355), (209, 373135), (245, 318307), (385, 202559), (539, 144685), (665, 117271), (931, 83765), (1045, 74627), (1463, 53305), (1523, 51205), (2695, 28937), (4655, 16753), (7315, 10661), (7615, 10241)]