81468496

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{164251}}^1$

素因数の和:164290

約数の個数: 20

約数和(自身を含む): 162937984

約数和(自身を除く): 81469488

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 496, 164251, 328502, 657004, 1314008, 2628016, 5091781, 10183562, 20367124, 40734248, 81468496]

約数ペア:

[(1, 81468496), (2, 40734248), (4, 20367124), (8, 10183562), (16, 5091781), (31, 2628016), (62, 1314008), (124, 657004), (248, 328502), (496, 164251)]