78830675

素因数分解:

$5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{1321}}^1$

素因数の和:1380

約数の個数: 48

約数和(自身を含む): 125896704

約数和(自身を除く): 47066029

約数列:

[1, 5, 7, 11, 25, 31, 35, 55, 77, 155, 175, 217, 275, 341, 385, 775, 1085, 1321, 1705, 1925, 2387, 5425, 6605, 8525, 9247, 11935, 14531, 33025, 40951, 46235, 59675, 72655, 101717, 204755, 231175, 286657, 363275, 450461, 508585, 1023775, 1433285, 2252305, 2542925, 3153227, 7166425, 11261525, 15766135, 78830675]

約数ペア:

[(1, 78830675), (5, 15766135), (7, 11261525), (11, 7166425), (25, 3153227), (31, 2542925), (35, 2252305), (55, 1433285), (77, 1023775), (155, 508585), (175, 450461), (217, 363275), (275, 286657), (341, 231175), (385, 204755), (775, 101717), (1085, 72655), (1321, 59675), (1705, 46235), (1925, 40951), (2387, 33025), (5425, 14531), (6605, 11935), (8525, 9247)]