145911728

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{212081}}^1$

素因数の和:212132

約数の個数: 20

約数和(自身を含む): 289279848

約数和(自身を除く): 143368120

約数列:

[1, 2, 4, 8, 16, 43, 86, 172, 344, 688, 212081, 424162, 848324, 1696648, 3393296, 9119483, 18238966, 36477932, 72955864, 145911728]

約数ペア:

[(1, 145911728), (2, 72955864), (4, 36477932), (8, 18238966), (16, 9119483), (43, 3393296), (86, 1696648), (172, 848324), (344, 424162), (688, 212081)]