127907984

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{257879}}^1$

素因数の和:257918

約数の個数: 20

約数和(自身を含む): 255816960

約数和(自身を除く): 127908976

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 496, 257879, 515758, 1031516, 2063032, 4126064, 7994249, 15988498, 31976996, 63953992, 127907984]

約数ペア:

[(1, 127907984), (2, 63953992), (4, 31976996), (8, 15988498), (16, 7994249), (31, 4126064), (62, 2063032), (124, 1031516), (248, 515758), (496, 257879)]