215978826

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{5142353}}^1$

素因数の和:5142365

約数の個数: 16

約数和(自身を含む): 493665984

約数和(自身を除く): 277687158

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 5142353, 10284706, 15427059, 30854118, 35996471, 71992942, 107989413, 215978826]

約数ペア:

[(1, 215978826), (2, 107989413), (3, 71992942), (6, 35996471), (7, 30854118), (14, 15427059), (21, 10284706), (42, 5142353)]