66865664

素因数分解:

$2^9\times {\mathrm{73}}^1\times {\mathrm{1789}}^1$

素因数の和:1880

約数の個数: 40

約数和(自身を含む): 135506580

約数和(自身を除く): 68640916

約数列:

[1, 2, 4, 8, 16, 32, 64, 73, 128, 146, 256, 292, 512, 584, 1168, 1789, 2336, 3578, 4672, 7156, 9344, 14312, 18688, 28624, 37376, 57248, 114496, 130597, 228992, 261194, 457984, 522388, 915968, 1044776, 2089552, 4179104, 8358208, 16716416, 33432832, 66865664]

約数ペア:

[(1, 66865664), (2, 33432832), (4, 16716416), (8, 8358208), (16, 4179104), (32, 2089552), (64, 1044776), (73, 915968), (128, 522388), (146, 457984), (256, 261194), (292, 228992), (512, 130597), (584, 114496), (1168, 57248), (1789, 37376), (2336, 28624), (3578, 18688), (4672, 14312), (7156, 9344)]