28743808

素因数分解:

$2^7\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{223}}^1$

素因数の和:309

約数の個数: 64

約数和(自身を含む): 61689600

約数和(自身を除く): 32945792

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 53, 64, 76, 106, 128, 152, 212, 223, 304, 424, 446, 608, 848, 892, 1007, 1216, 1696, 1784, 2014, 2432, 3392, 3568, 4028, 4237, 6784, 7136, 8056, 8474, 11819, 14272, 16112, 16948, 23638, 28544, 32224, 33896, 47276, 64448, 67792, 94552, 128896, 135584, 189104, 224561, 271168, 378208, 449122, 542336, 756416, 898244, 1512832, 1796488, 3592976, 7185952, 14371904, 28743808]

約数ペア:

[(1, 28743808), (2, 14371904), (4, 7185952), (8, 3592976), (16, 1796488), (19, 1512832), (32, 898244), (38, 756416), (53, 542336), (64, 449122), (76, 378208), (106, 271168), (128, 224561), (152, 189104), (212, 135584), (223, 128896), (304, 94552), (424, 67792), (446, 64448), (608, 47276), (848, 33896), (892, 32224), (1007, 28544), (1216, 23638), (1696, 16948), (1784, 16112), (2014, 14272), (2432, 11819), (3392, 8474), (3568, 8056), (4028, 7136), (4237, 6784)]