28249984

素因数分解:

$2^7\times 7^1\times {\mathrm{41}}^1\times {\mathrm{769}}^1$

素因数の和:831

約数の個数: 64

約数和(自身を含む): 65973600

約数和(自身を除く): 37723616

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 41, 56, 64, 82, 112, 128, 164, 224, 287, 328, 448, 574, 656, 769, 896, 1148, 1312, 1538, 2296, 2624, 3076, 4592, 5248, 5383, 6152, 9184, 10766, 12304, 18368, 21532, 24608, 31529, 36736, 43064, 49216, 63058, 86128, 98432, 126116, 172256, 220703, 252232, 344512, 441406, 504464, 689024, 882812, 1008928, 1765624, 2017856, 3531248, 4035712, 7062496, 14124992, 28249984]

約数ペア:

[(1, 28249984), (2, 14124992), (4, 7062496), (7, 4035712), (8, 3531248), (14, 2017856), (16, 1765624), (28, 1008928), (32, 882812), (41, 689024), (56, 504464), (64, 441406), (82, 344512), (112, 252232), (128, 220703), (164, 172256), (224, 126116), (287, 98432), (328, 86128), (448, 63058), (574, 49216), (656, 43064), (769, 36736), (896, 31529), (1148, 24608), (1312, 21532), (1538, 18368), (2296, 12304), (2624, 10766), (3076, 9184), (4592, 6152), (5248, 5383)]