220555478

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{137}}^1\times {\mathrm{433}}^1$

素因数の和:609

約数の個数: 48

約数和(自身を含む): 394568496

約数和(自身を除く): 174013018

約数列:

[1, 2, 11, 13, 22, 26, 137, 143, 169, 274, 286, 338, 433, 866, 1507, 1781, 1859, 3014, 3562, 3718, 4763, 5629, 9526, 11258, 19591, 23153, 39182, 46306, 59321, 61919, 73177, 118642, 123838, 146354, 254683, 509366, 652531, 771173, 804947, 1305062, 1542346, 1609894, 8482903, 10025249, 16965806, 20050498, 110277739, 220555478]

約数ペア:

[(1, 220555478), (2, 110277739), (11, 20050498), (13, 16965806), (22, 10025249), (26, 8482903), (137, 1609894), (143, 1542346), (169, 1305062), (274, 804947), (286, 771173), (338, 652531), (433, 509366), (866, 254683), (1507, 146354), (1781, 123838), (1859, 118642), (3014, 73177), (3562, 61919), (3718, 59321), (4763, 46306), (5629, 39182), (9526, 23153), (11258, 19591)]