255981824

素因数分解:

$2^8\times 7^1\times {\mathrm{211}}^1\times {\mathrm{677}}^1$

素因数の和:911

約数の個数: 72

約数和(自身を含む): 587592768

約数和(自身を除く): 331610944

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 128, 211, 224, 256, 422, 448, 677, 844, 896, 1354, 1477, 1688, 1792, 2708, 2954, 3376, 4739, 5416, 5908, 6752, 9478, 10832, 11816, 13504, 18956, 21664, 23632, 27008, 37912, 43328, 47264, 54016, 75824, 86656, 94528, 142847, 151648, 173312, 189056, 285694, 303296, 378112, 571388, 606592, 999929, 1142776, 1213184, 1999858, 2285552, 3999716, 4571104, 7999432, 9142208, 15998864, 18284416, 31997728, 36568832, 63995456, 127990912, 255981824]

約数ペア:

[(1, 255981824), (2, 127990912), (4, 63995456), (7, 36568832), (8, 31997728), (14, 18284416), (16, 15998864), (28, 9142208), (32, 7999432), (56, 4571104), (64, 3999716), (112, 2285552), (128, 1999858), (211, 1213184), (224, 1142776), (256, 999929), (422, 606592), (448, 571388), (677, 378112), (844, 303296), (896, 285694), (1354, 189056), (1477, 173312), (1688, 151648), (1792, 142847), (2708, 94528), (2954, 86656), (3376, 75824), (4739, 54016), (5416, 47264), (5908, 43328), (6752, 37912), (9478, 27008), (10832, 23632), (11816, 21664), (13504, 18956)]