127919888

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{257903}}^1$

素因数の和:257942

約数の個数: 20

約数和(自身を含む): 255840768

約数和(自身を除く): 127920880

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 496, 257903, 515806, 1031612, 2063224, 4126448, 7994993, 15989986, 31979972, 63959944, 127919888]

約数ペア:

[(1, 127919888), (2, 63959944), (4, 31979972), (8, 15989986), (16, 7994993), (31, 4126448), (62, 2063224), (124, 1031612), (248, 515806), (496, 257903)]