81577984

素因数分解:

$2^{11}\times {\mathrm{61}}^1\times {\mathrm{653}}^1$

素因数の和:736

約数の個数: 48

約数和(自身を含む): 166044060

約数和(自身を除く): 84466076

約数列:

[1, 2, 4, 8, 16, 32, 61, 64, 122, 128, 244, 256, 488, 512, 653, 976, 1024, 1306, 1952, 2048, 2612, 3904, 5224, 7808, 10448, 15616, 20896, 31232, 39833, 41792, 62464, 79666, 83584, 124928, 159332, 167168, 318664, 334336, 637328, 668672, 1274656, 1337344, 2549312, 5098624, 10197248, 20394496, 40788992, 81577984]

約数ペア:

[(1, 81577984), (2, 40788992), (4, 20394496), (8, 10197248), (16, 5098624), (32, 2549312), (61, 1337344), (64, 1274656), (122, 668672), (128, 637328), (244, 334336), (256, 318664), (488, 167168), (512, 159332), (653, 124928), (976, 83584), (1024, 79666), (1306, 62464), (1952, 41792), (2048, 39833), (2612, 31232), (3904, 20896), (5224, 15616), (7808, 10448)]