247984394

素因数分解:

$2^1\times 7^2\times {\mathrm{29}}^1\times {\mathrm{87257}}^1$

素因数の和:87302

約数の個数: 24

約数和(自身を含む): 447633540

約数和(自身を除く): 199649146

約数列:

[1, 2, 7, 14, 29, 49, 58, 98, 203, 406, 1421, 2842, 87257, 174514, 610799, 1221598, 2530453, 4275593, 5060906, 8551186, 17713171, 35426342, 123992197, 247984394]

約数ペア:

[(1, 247984394), (2, 123992197), (7, 35426342), (14, 17713171), (29, 8551186), (49, 5060906), (58, 4275593), (98, 2530453), (203, 1221598), (406, 610799), (1421, 174514), (2842, 87257)]