81593984

素因数分解:

$2^7\times {\mathrm{31}}^1\times {\mathrm{20563}}^1$

素因数の和:20608

約数の個数: 32

約数和(自身を含む): 167802240

約数和(自身を除く): 86208256

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 124, 128, 248, 496, 992, 1984, 3968, 20563, 41126, 82252, 164504, 329008, 637453, 658016, 1274906, 1316032, 2549812, 2632064, 5099624, 10199248, 20398496, 40796992, 81593984]

約数ペア:

[(1, 81593984), (2, 40796992), (4, 20398496), (8, 10199248), (16, 5099624), (31, 2632064), (32, 2549812), (62, 1316032), (64, 1274906), (124, 658016), (128, 637453), (248, 329008), (496, 164504), (992, 82252), (1984, 41126), (3968, 20563)]