254877136

素因数分解:

$2^4\times {\mathrm{101}}^1\times {\mathrm{157721}}^1$

素因数の和:157830

約数の個数: 20

約数和(自身を含む): 498716964

約数和(自身を除く): 243839828

約数列:

[1, 2, 4, 8, 16, 101, 202, 404, 808, 1616, 157721, 315442, 630884, 1261768, 2523536, 15929821, 31859642, 63719284, 127438568, 254877136]

約数ペア:

[(1, 254877136), (2, 127438568), (4, 63719284), (8, 31859642), (16, 15929821), (101, 2523536), (202, 1261768), (404, 630884), (808, 315442), (1616, 157721)]