81378496

素因数分解:

$2^6\times {\mathrm{71}}^1\times {\mathrm{17909}}^1$

素因数の和:17992

約数の個数: 28

約数和(自身を含む): 163769040

約数和(自身を除く): 82390544

約数列:

[1, 2, 4, 8, 16, 32, 64, 71, 142, 284, 568, 1136, 2272, 4544, 17909, 35818, 71636, 143272, 286544, 573088, 1146176, 1271539, 2543078, 5086156, 10172312, 20344624, 40689248, 81378496]

約数ペア:

[(1, 81378496), (2, 40689248), (4, 20344624), (8, 10172312), (16, 5086156), (32, 2543078), (64, 1271539), (71, 1146176), (142, 573088), (284, 286544), (568, 143272), (1136, 71636), (2272, 35818), (4544, 17909)]