661145478

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{15741559}}^1$

素因数の和:15741571

約数の個数: 16

約数和(自身を含む): 1511189760

約数和(自身を除く): 850044282

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 15741559, 31483118, 47224677, 94449354, 110190913, 220381826, 330572739, 661145478]

約数ペア:

[(1, 661145478), (2, 330572739), (3, 220381826), (6, 110190913), (7, 94449354), (14, 47224677), (21, 31483118), (42, 15741559)]