81372992

素因数分解:

$2^6\times {\mathrm{991}}^1\times {\mathrm{1283}}^1$

素因数の和:2286

約数の個数: 28

約数和(自身を含む): 161763456

約数和(自身を除く): 80390464

約数列:

[1, 2, 4, 8, 16, 32, 64, 991, 1283, 1982, 2566, 3964, 5132, 7928, 10264, 15856, 20528, 31712, 41056, 63424, 82112, 1271453, 2542906, 5085812, 10171624, 20343248, 40686496, 81372992]

約数ペア:

[(1, 81372992), (2, 40686496), (4, 20343248), (8, 10171624), (16, 5085812), (32, 2542906), (64, 1271453), (991, 82112), (1283, 63424), (1982, 41056), (2566, 31712), (3964, 20528), (5132, 15856), (7928, 10264)]