208080904

素因数分解:

$2^3\times {\mathrm{41}}^2\times {\mathrm{15473}}^1$

素因数の和:15561

約数の個数: 24

約数和(自身を含む): 399925530

約数和(自身を除く): 191844626

約数列:

[1, 2, 4, 8, 41, 82, 164, 328, 1681, 3362, 6724, 13448, 15473, 30946, 61892, 123784, 634393, 1268786, 2537572, 5075144, 26010113, 52020226, 104040452, 208080904]

約数ペア:

[(1, 208080904), (2, 104040452), (4, 52020226), (8, 26010113), (41, 5075144), (82, 2537572), (164, 1268786), (328, 634393), (1681, 123784), (3362, 61892), (6724, 30946), (13448, 15473)]