257489796

素因数分解:

$2^2\times 3^1\times {\mathrm{163}}^1\times {\mathrm{131641}}^1$

素因数の和:131811

約数の個数: 24

約数和(自身を含む): 604500064

約数和(自身を除く): 347010268

約数列:

[1, 2, 3, 4, 6, 12, 163, 326, 489, 652, 978, 1956, 131641, 263282, 394923, 526564, 789846, 1579692, 21457483, 42914966, 64372449, 85829932, 128744898, 257489796]

約数ペア:

[(1, 257489796), (2, 128744898), (3, 85829932), (4, 64372449), (6, 42914966), (12, 21457483), (163, 1579692), (326, 789846), (489, 526564), (652, 394923), (978, 263282), (1956, 131641)]