208547276

素因数分解:

$2^2\times 7^1\times {\mathrm{73}}^1\times {\mathrm{257}}^1\times {\mathrm{397}}^1$

素因数の和:738

約数の個数: 48

約数和(自身を含む): 425522496

約数和(自身を除く): 216975220

約数列:

[1, 2, 4, 7, 14, 28, 73, 146, 257, 292, 397, 511, 514, 794, 1022, 1028, 1588, 1799, 2044, 2779, 3598, 5558, 7196, 11116, 18761, 28981, 37522, 57962, 75044, 102029, 115924, 131327, 202867, 204058, 262654, 405734, 408116, 525308, 714203, 811468, 1428406, 2856812, 7448117, 14896234, 29792468, 52136819, 104273638, 208547276]

約数ペア:

[(1, 208547276), (2, 104273638), (4, 52136819), (7, 29792468), (14, 14896234), (28, 7448117), (73, 2856812), (146, 1428406), (257, 811468), (292, 714203), (397, 525308), (511, 408116), (514, 405734), (794, 262654), (1022, 204058), (1028, 202867), (1588, 131327), (1799, 115924), (2044, 102029), (2779, 75044), (3598, 57962), (5558, 37522), (7196, 28981), (11116, 18761)]