440492

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{197}}^1$

素因数の和:257

約数の個数: 24

約数和(自身を含む): 853776

約数和(自身を除く): 413284

約数列:

[1, 2, 4, 13, 26, 43, 52, 86, 172, 197, 394, 559, 788, 1118, 2236, 2561, 5122, 8471, 10244, 16942, 33884, 110123, 220246, 440492]

約数ペア:

[(1, 440492), (2, 220246), (4, 110123), (13, 33884), (26, 16942), (43, 10244), (52, 8471), (86, 5122), (172, 2561), (197, 2236), (394, 1118), (559, 788)]